Post on 28-Jul-2020
transcript
upgrade manual
Charger Damper Upgrade Kit
GEN0000000005353 Rev D copy 2020 SRAM LLC
SRAMreg LLC WARRANTYEXTENT OF LIMITED WARRANTYExcept as otherwise set forth herein SRAM warrants (i) Zippreg MOTOtrade Rims to be free from defects in materials or workmanship for the lifetime of the product and (ii) its other products to be free from defects in materials or workmanship for a period of two years after original purchase This warranty only applies to the original owner and is not transferable Claims under this warranty must be made through the retailer where the bicycle or the SRAM component was purchased Original proof of purchase is required Except as described herein SRAM makes no other warranties guaranties or representations of any type (express or implied) and all warranties (including any implied warranties of reasonable care merchantibility or fitness for a particular purpose) are hereby disclaimed
LOCAL LAWThis warranty statement gives the customer specific legal rights The customer may also have other rights which vary from state to state (USA) from province to province (Canada) and from country to country elsewhere in the world
To the extent that this warranty statement is inconsistent with the local law this warranty shall be deemed modified to be consistent with such law under such local law certain disclaimers and limitations of this warranty statement may apply to the customer For example some states in the United States of America as well as some governments outside of the United States (including provinces in Canada) may
Preclude the disclaimers and limitations of this warranty statement from limiting the statutory rights of the consumer (eg United Kingdom)
Otherwise restrict the ability of a manufacturer to enforce such disclaimers or limitations
FOR AUSTRALIAN CUSTOMERSThis SRAM limited warranty is provided in Australia by SRAM LLC 1000 W Fulton Market 4th Floor Chicago IL 60607 USA To make a warranty claim please contact the retailer from whom you purchased this SRAM product Alternatively you may make a claim by contacting SRAM Australia 6 Marco Court Rowville 3178 Australia For valid claims SRAM will at its option either repair or replace your SRAM product Any expenses incurred in making the warranty claim are your responsibility The benefits given by this warranty are additional to other rights and remedies that you may have under laws relating to our products Our goods come with guarantees that cannot be excluded under the Australian Consumer Law You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure
LIMITATIONS OF LIABILITYTo the extent allowed by local law except for the obligations specifically set forth in this warranty statement in no event shall SRAM or its third party suppliers be liable for direct indirect special incidental or consequential damages
LIMITATIONS OF WARRANTYThis warranty does not apply to products that have been incorrectly installed adjusted andor maintained according to the respective SRAM user manual The SRAM user manuals can be found online at sramcom quarqcom or zippcom
This warranty does not apply to damage to the product caused by a crash impact abuse of the product non-compliance with manufacturers specifications of usage or any other circumstances in which the product has been subjected to forces or loads beyond its design
This warranty does not apply when the product has been modified including but not limited to any attempt to open or repair any electronic and electronic related components including the motor controller battery packs wiring harnesses switches and chargers
This warranty does not apply when the serial number or production code has been deliberately altered defaced or removed
SRAM components are designed for use only on bicycles that are pedal powered or pedal assisted (e-MTBPedelec)
To qualify for the warranty Eagle Chain Cassette and Rear Derailleur must be used with a SRAM 1-Clicktrade shifter when used on e-MTBPedelec style bicycles
Zipp 3ZERO MOTOtrade Rims and wheels comply with ASTM F2043-13 514 Conditions 1 2 3 and 4 for use of bicycle components on paved roads rough trails rough unpaved roads rough terrain and unimproved trails that require technical skills and downhill grades on rough trails at speeds less than 40 kmh (25 mph) Jumps are intended to be less than 122 cm (48 in)
This warranty does not apply to damage to Zipp MOTO Rims outside of intended use (TrailEnduro) situations or incurred in connection with DownhillDual Crown bicycles
All Zipp MOTO Rim warranty claims will be evaluated by a SRAMZipp Authorized Service Location
This warranty does not apply to normal wear and tear Wear and tear parts are subject to damage as a result of normal use failure to service according to SRAM recommendations andor riding or installation in conditions or applications other than recommended
WEAR AND TEAR PARTS ARE IDENTIFIED ASbull Dust sealsbull Bushingsbull Air sealing o-ringsbull Glide ringsbull Rubber moving partsbull Foam ringsbull Rear shock mounting
hardware and main sealsbull Upper tubes (stanchions)
bull Stripped threadsbolts (aluminium titanium magnesium or steel)
bull Brake sleevesbull Brake padsbull Chainsbull Sprocketsbull Cassettesbull Shifter and brake cables
(inner and outer)
bull Handlebar gripsbull Shifter gripsbull Jockey wheelsbull Disc brake rotorsbull Wheel braking surfacesbull Bottomout padsbull Bearingsbull Bearing racesbull Pawls
bull Transmission gearsbull Spokesbull Free hubsbull Aero bar padsbull Corrosionbull Toolsbull Motorsbull Batteriesbull Driver Bodies
Notwithstanding anything else set forth herein the battery pack and charger warranty does not include damage from power surges use of improper charger improper maintenance or such other misuse
This warranty shall not cover damages caused by the use of parts of different manufacturers
This warranty shall not cover damages caused by the use of parts that are not compatible suitable andor authorised by SRAM for use with SRAM components
This warranty shall not cover damages resulting from commercial (rental) use
SAFETY FIRSTWe care about YOU Please always wear your safety glasses
and protective gloves when servicing RockShox products Protect yourself Wear your safety gear
TABLE OF CONTENTSROCKSHOX DAMPER UPGRADE KIT INSTALLATION 5
PART PREPARATION 5SERVICE PROCEDURES 5COMPATIBILITY 6PARTS TOOLS AND SUPPLIES 9
DAMPER REMOVAL 10MOTION CONTROL DAMPER REMOVAL 12CHARGER DAMPER REMOVAL 16CHARGER 2 AND 21 DAMPER REMOVAL 19BOXXER CHARGER DAMPER RC REMOVAL 23CHARGER RACE DAY DAMPER REMOVAL 25
DAMPER UPGRADE INSTALLATION 27CHARGER RACE DAY DAMPER INSTALLATION 27CHARGER 2 DAMPER INSTALLATION 29CHARGER 21 DAMPER INSTALLATION 31BOXXER CHARGER DAMPER RC2 INSTALLATION 33
LOWER LEG ASSEMBLY 35
5RockShox Damper Upgrade Kit Installation
R o c k S h o x D a m p e r U p g r a d e K i t I n s t a l l a t i o nWe recommend that you have your RockShox suspension serviced by a qualified bicycle mechanic Servicing RockShox suspension requires knowledge of suspension components as well as the use of specialized tools and lubricantsfluids Failure to follow the procedures outlined in this service manual may cause damage to your component and void the warranty
Visit wwwsramcomservice for the latest RockShox Spare Parts catalog and technical information For order information please contact your local SRAM distributor or dealer
Information contained in this publication is subject to change at any time without prior notice
Your products appearance may differ from the pictures contained in this publication
For recycling and environmental compliance information please visit wwwsramcomcompanyenvironment
P a r t P r e p a r a t i o n Remove the component from the bicycle before service
Disconnect and remove the remote cable or hydraulic hose from the fork or rear shock if applicable For additional information about RockShox remotes user manuals are available at wwwsramcomservice
Clean the exterior of the product with mild soap and water to avoid contamination of internal sealing part surfaces
S e r v i c e P r o c e d u r e sThe following procedures should be performed throughout service unless otherwise specified
Clean the part with Clean the part with RockShox Suspension Cleaner or isopropyl alcohol and isopropyl alcohol and a clean lint-free shop towel For hard to reach places (eg upper tube lower a clean lint-free shop towel For hard to reach places (eg upper tube lower leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean the insidethe inside
Clean the sealing surface on the part and inspect it for scratchesClean the sealing surface on the part and inspect it for scratches
Replace the o-ring or seal with a new one from the service kit Use your Replace the o-ring or seal with a new one from the service kit Use your fingers or a pick to pierce and remove the old seal or o-ring fingers or a pick to pierce and remove the old seal or o-ring
Apply grease to the new seal or o-ring Apply grease to the new seal or o-ring
NOTICEDo not scratch any sealing surfaces when servicing the product Scratches can cause leaks Consult the spare parts catalog to replace the damaged part
Use aluminum soft jaws when placing a part in a bench viseUse aluminum soft jaws when placing a part in a bench vise
Tighten the part with a torque wrench to the torque value listed in the red bar Tighten the part with a torque wrench to the torque value listed in the red bar When using a crowfoot socket and torque wrench install the crowfoot socket When using a crowfoot socket and torque wrench install the crowfoot socket at 90 degrees to the torque wrenchat 90 degrees to the torque wrench
Specified torque value in Nmiddotm (in-lb)
6Compatibility
C o m p a t i b i l i t yNOTICE
Damper top caps and upper tube thread pitches may vary consult the chart to verify compatibility before damper upgrade installationInstallation of an incompatible damper top cap will damage the upper tube and damper top cap threads If you are unsure what model year or generation you have contact your local SRAM distributor or dealer
32 mm Chassis- Max Travel 120 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-A2 2013
120
004018783003 AM Upgrade Kit Charger RLC SIDReba Crown
004018783011 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-A3 2014-2015
FS-SID-RL-A4 2016
FS-SID-RL-B3 2019
RLT
FS-SID-RLT-A2 2013
FS-SID-RLT-A3 2014-2015
FS-SID-RLT-A4 2016
RLC FS-SID-RLC-B1 2019
RCT3
FS-SID-RCT3-A2 2013
FS-SID-RCT3-A3 2014-2015
FS-SID-RCT3-A4 2016
XX
FS-SID-XX-A2 2013
FS-SID-XX-A3 2014-2015
FS-SID-XX-A4 2016
World Cup
FS-SID-WC-A2 2013
FS-SID-WC-A3 2014-2015
FS-SID-WC-A4 2016
XX World Cup
FS-SID-XXWC-A2 2013
FS-SID-XXWC-A3 2014-2015
FS-SID-XXWC-A4 2016
Select FS-SID-SEL-B4
2020Select+ FS-SID-SELP-B4
Ultimate FS-SID-ULT-B4
REBA
RL
FS-REBA-RL-A2 2013
FS-REBA-RL-A3 2014
FS-REBA-RL-A4 2015
FS-REBA-RL-A5 2016
FS-REBA-RL-A6 2017
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
RLT
FS-REBA-RLT-A2 2013
FS-REBA-RLT-A3 2014
FS-REBA-RLT-A4 2015
FS-REBA-RLT-A5 2016-2017
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
7Compatibility
32 mm Chassis- Max Travel 100 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-B1 2017
100
004020546000 AM Upgrade Kit Charger Race Day 32 Crown 100
004020546001 AM Upgrade Kit Charger Race Day 32 Remote 100
004018783009 AM Upgrade Kit Charger RLC SIDReba Crown
004018783010 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-B2 2018
FS-SID-RL-B3 2019
RLC
FS-SID-RLC-A1 2017
FS-SID-RLC-A2 2018
FS-SID-RLC-B1 2019
XX
FS-SID-XX-B1 2017
FS-SID-XX-B2 2018
FS-SID-XX-B3 2019
WORLD CUP
FS-SID-WC-B1 2017
FS-SID-WC-B2 2018
FS-SID-WC-B3 2019
SELECTFS-SID-SEL-B4 2020
FS-SIDS-SEL-C1 2021
SELECT+FS-SID-SELP-B4 2020
FS-SIDS-SELP-C1 2021
ULTIMATEFS-SID-ULT-B4 2020
FS-SIDS-ULT-C1 2021
REBA RL
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
8Compatibility
35 mm Chassis
Fork Model Year Max Travel (mm) Upgrade Kit
SIDSELECT FS-SID-SEL-C1 2021
120
004020546002 AM Upgrade Kit Charger Race Day 35 Crown 120
004020546003 AM Upgrade Kit Charger Race Day 35 Remote 120SELECT+ FS-SID-SELP-C1 2021
PIKE
RCFS-PIKE-RC-A1 2014-2015
160
004020169000 AM Upgrade Kit Charger 21 RCT3 Pike 26 Crown
004020169001 AM Upgrade Kit Charger 21 RCT3 Pike 275 Crown
FS-PIKE-RC-A2 2016-2017
RCT3FS-PIKE-RCT3-A1 2014-2015
FS-PIKE-RCT3-A2 2016-2017
RCFS-PIKE-RC-B1 2018
004020169003 AM Upgrade Kit Charger 21 RCT3 Pike B275 Crown
004020169005 AM Upgrade Kit Charger 21 RC2 Pike B1
FS-PIKE-RC-B2 2019
RCT3FS-PIKE-RCT3-B1 2018
FS-PIKE-RCT3-B2 2019
SELECTFS-PIKE-SEL-B3 2020
FS-PIKE-SEL-B4 2021
SELECT+FS-PIKE-SELP-B3 2020
FS-PIKE-SELP-B4 2021
REVELATIONRC
FS-RVL-RC-A1 2018
FS-RVL-RC-A2 2019-2020
FS-RVL-RC-A3 2021
CHARGER FS-RVL-CHRC-A1 2019
LYRIK
RC
FS-LYRK-RC-B1 2016-2017
180
004020170001 AM Upgrade Kit Charger 21 RCT3 LYRIK Crown
004020170000 AM Upgrade Kit Charger 21 RC2 LYRIK Crown
FS-LYRK-RC-C1 2018
FS-LYRK-RC-C2 2019
RCT3
FS-LYRK-RCT3-A1 2016-2017
FS-LYRK-RCT3-B1 2018
FS-LYRK-RCT3-C1 2019
RC2 FS-LYRK-RC2-C1 2019
SELECTFS-LYRK-SEL-C2 2020
FS-LYRK-SEL-C3 2021
SELECT+FS-LYRK-SELP-C2 2020
FS-LYRK-SELP-C3 2021
YARIRC
FS-LYRK-RC-A1 2016-2017
FS-LYRK-RC-B1 2018
FS-LYRK-RC-B2 2019-2020
FS-LYRK-RC-B3 2021
CHARGER FS-LYRK-CHRC-B1 2019
BOXXER
RC FS-BXR-RC-C1 2019
200 004020171000 AM Upgrade Kit Charger 21 RC2 BoXXerR 27529WORLD CUP FS-BXR-WC-C1 2019
SELECT FS-BXR-SEL-C2 2020-2021
9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
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Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
SRAMreg LLC WARRANTYEXTENT OF LIMITED WARRANTYExcept as otherwise set forth herein SRAM warrants (i) Zippreg MOTOtrade Rims to be free from defects in materials or workmanship for the lifetime of the product and (ii) its other products to be free from defects in materials or workmanship for a period of two years after original purchase This warranty only applies to the original owner and is not transferable Claims under this warranty must be made through the retailer where the bicycle or the SRAM component was purchased Original proof of purchase is required Except as described herein SRAM makes no other warranties guaranties or representations of any type (express or implied) and all warranties (including any implied warranties of reasonable care merchantibility or fitness for a particular purpose) are hereby disclaimed
LOCAL LAWThis warranty statement gives the customer specific legal rights The customer may also have other rights which vary from state to state (USA) from province to province (Canada) and from country to country elsewhere in the world
To the extent that this warranty statement is inconsistent with the local law this warranty shall be deemed modified to be consistent with such law under such local law certain disclaimers and limitations of this warranty statement may apply to the customer For example some states in the United States of America as well as some governments outside of the United States (including provinces in Canada) may
Preclude the disclaimers and limitations of this warranty statement from limiting the statutory rights of the consumer (eg United Kingdom)
Otherwise restrict the ability of a manufacturer to enforce such disclaimers or limitations
FOR AUSTRALIAN CUSTOMERSThis SRAM limited warranty is provided in Australia by SRAM LLC 1000 W Fulton Market 4th Floor Chicago IL 60607 USA To make a warranty claim please contact the retailer from whom you purchased this SRAM product Alternatively you may make a claim by contacting SRAM Australia 6 Marco Court Rowville 3178 Australia For valid claims SRAM will at its option either repair or replace your SRAM product Any expenses incurred in making the warranty claim are your responsibility The benefits given by this warranty are additional to other rights and remedies that you may have under laws relating to our products Our goods come with guarantees that cannot be excluded under the Australian Consumer Law You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure
LIMITATIONS OF LIABILITYTo the extent allowed by local law except for the obligations specifically set forth in this warranty statement in no event shall SRAM or its third party suppliers be liable for direct indirect special incidental or consequential damages
LIMITATIONS OF WARRANTYThis warranty does not apply to products that have been incorrectly installed adjusted andor maintained according to the respective SRAM user manual The SRAM user manuals can be found online at sramcom quarqcom or zippcom
This warranty does not apply to damage to the product caused by a crash impact abuse of the product non-compliance with manufacturers specifications of usage or any other circumstances in which the product has been subjected to forces or loads beyond its design
This warranty does not apply when the product has been modified including but not limited to any attempt to open or repair any electronic and electronic related components including the motor controller battery packs wiring harnesses switches and chargers
This warranty does not apply when the serial number or production code has been deliberately altered defaced or removed
SRAM components are designed for use only on bicycles that are pedal powered or pedal assisted (e-MTBPedelec)
To qualify for the warranty Eagle Chain Cassette and Rear Derailleur must be used with a SRAM 1-Clicktrade shifter when used on e-MTBPedelec style bicycles
Zipp 3ZERO MOTOtrade Rims and wheels comply with ASTM F2043-13 514 Conditions 1 2 3 and 4 for use of bicycle components on paved roads rough trails rough unpaved roads rough terrain and unimproved trails that require technical skills and downhill grades on rough trails at speeds less than 40 kmh (25 mph) Jumps are intended to be less than 122 cm (48 in)
This warranty does not apply to damage to Zipp MOTO Rims outside of intended use (TrailEnduro) situations or incurred in connection with DownhillDual Crown bicycles
All Zipp MOTO Rim warranty claims will be evaluated by a SRAMZipp Authorized Service Location
This warranty does not apply to normal wear and tear Wear and tear parts are subject to damage as a result of normal use failure to service according to SRAM recommendations andor riding or installation in conditions or applications other than recommended
WEAR AND TEAR PARTS ARE IDENTIFIED ASbull Dust sealsbull Bushingsbull Air sealing o-ringsbull Glide ringsbull Rubber moving partsbull Foam ringsbull Rear shock mounting
hardware and main sealsbull Upper tubes (stanchions)
bull Stripped threadsbolts (aluminium titanium magnesium or steel)
bull Brake sleevesbull Brake padsbull Chainsbull Sprocketsbull Cassettesbull Shifter and brake cables
(inner and outer)
bull Handlebar gripsbull Shifter gripsbull Jockey wheelsbull Disc brake rotorsbull Wheel braking surfacesbull Bottomout padsbull Bearingsbull Bearing racesbull Pawls
bull Transmission gearsbull Spokesbull Free hubsbull Aero bar padsbull Corrosionbull Toolsbull Motorsbull Batteriesbull Driver Bodies
Notwithstanding anything else set forth herein the battery pack and charger warranty does not include damage from power surges use of improper charger improper maintenance or such other misuse
This warranty shall not cover damages caused by the use of parts of different manufacturers
This warranty shall not cover damages caused by the use of parts that are not compatible suitable andor authorised by SRAM for use with SRAM components
This warranty shall not cover damages resulting from commercial (rental) use
SAFETY FIRSTWe care about YOU Please always wear your safety glasses
and protective gloves when servicing RockShox products Protect yourself Wear your safety gear
TABLE OF CONTENTSROCKSHOX DAMPER UPGRADE KIT INSTALLATION 5
PART PREPARATION 5SERVICE PROCEDURES 5COMPATIBILITY 6PARTS TOOLS AND SUPPLIES 9
DAMPER REMOVAL 10MOTION CONTROL DAMPER REMOVAL 12CHARGER DAMPER REMOVAL 16CHARGER 2 AND 21 DAMPER REMOVAL 19BOXXER CHARGER DAMPER RC REMOVAL 23CHARGER RACE DAY DAMPER REMOVAL 25
DAMPER UPGRADE INSTALLATION 27CHARGER RACE DAY DAMPER INSTALLATION 27CHARGER 2 DAMPER INSTALLATION 29CHARGER 21 DAMPER INSTALLATION 31BOXXER CHARGER DAMPER RC2 INSTALLATION 33
LOWER LEG ASSEMBLY 35
5RockShox Damper Upgrade Kit Installation
R o c k S h o x D a m p e r U p g r a d e K i t I n s t a l l a t i o nWe recommend that you have your RockShox suspension serviced by a qualified bicycle mechanic Servicing RockShox suspension requires knowledge of suspension components as well as the use of specialized tools and lubricantsfluids Failure to follow the procedures outlined in this service manual may cause damage to your component and void the warranty
Visit wwwsramcomservice for the latest RockShox Spare Parts catalog and technical information For order information please contact your local SRAM distributor or dealer
Information contained in this publication is subject to change at any time without prior notice
Your products appearance may differ from the pictures contained in this publication
For recycling and environmental compliance information please visit wwwsramcomcompanyenvironment
P a r t P r e p a r a t i o n Remove the component from the bicycle before service
Disconnect and remove the remote cable or hydraulic hose from the fork or rear shock if applicable For additional information about RockShox remotes user manuals are available at wwwsramcomservice
Clean the exterior of the product with mild soap and water to avoid contamination of internal sealing part surfaces
S e r v i c e P r o c e d u r e sThe following procedures should be performed throughout service unless otherwise specified
Clean the part with Clean the part with RockShox Suspension Cleaner or isopropyl alcohol and isopropyl alcohol and a clean lint-free shop towel For hard to reach places (eg upper tube lower a clean lint-free shop towel For hard to reach places (eg upper tube lower leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean the insidethe inside
Clean the sealing surface on the part and inspect it for scratchesClean the sealing surface on the part and inspect it for scratches
Replace the o-ring or seal with a new one from the service kit Use your Replace the o-ring or seal with a new one from the service kit Use your fingers or a pick to pierce and remove the old seal or o-ring fingers or a pick to pierce and remove the old seal or o-ring
Apply grease to the new seal or o-ring Apply grease to the new seal or o-ring
NOTICEDo not scratch any sealing surfaces when servicing the product Scratches can cause leaks Consult the spare parts catalog to replace the damaged part
Use aluminum soft jaws when placing a part in a bench viseUse aluminum soft jaws when placing a part in a bench vise
Tighten the part with a torque wrench to the torque value listed in the red bar Tighten the part with a torque wrench to the torque value listed in the red bar When using a crowfoot socket and torque wrench install the crowfoot socket When using a crowfoot socket and torque wrench install the crowfoot socket at 90 degrees to the torque wrenchat 90 degrees to the torque wrench
Specified torque value in Nmiddotm (in-lb)
6Compatibility
C o m p a t i b i l i t yNOTICE
Damper top caps and upper tube thread pitches may vary consult the chart to verify compatibility before damper upgrade installationInstallation of an incompatible damper top cap will damage the upper tube and damper top cap threads If you are unsure what model year or generation you have contact your local SRAM distributor or dealer
32 mm Chassis- Max Travel 120 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-A2 2013
120
004018783003 AM Upgrade Kit Charger RLC SIDReba Crown
004018783011 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-A3 2014-2015
FS-SID-RL-A4 2016
FS-SID-RL-B3 2019
RLT
FS-SID-RLT-A2 2013
FS-SID-RLT-A3 2014-2015
FS-SID-RLT-A4 2016
RLC FS-SID-RLC-B1 2019
RCT3
FS-SID-RCT3-A2 2013
FS-SID-RCT3-A3 2014-2015
FS-SID-RCT3-A4 2016
XX
FS-SID-XX-A2 2013
FS-SID-XX-A3 2014-2015
FS-SID-XX-A4 2016
World Cup
FS-SID-WC-A2 2013
FS-SID-WC-A3 2014-2015
FS-SID-WC-A4 2016
XX World Cup
FS-SID-XXWC-A2 2013
FS-SID-XXWC-A3 2014-2015
FS-SID-XXWC-A4 2016
Select FS-SID-SEL-B4
2020Select+ FS-SID-SELP-B4
Ultimate FS-SID-ULT-B4
REBA
RL
FS-REBA-RL-A2 2013
FS-REBA-RL-A3 2014
FS-REBA-RL-A4 2015
FS-REBA-RL-A5 2016
FS-REBA-RL-A6 2017
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
RLT
FS-REBA-RLT-A2 2013
FS-REBA-RLT-A3 2014
FS-REBA-RLT-A4 2015
FS-REBA-RLT-A5 2016-2017
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
7Compatibility
32 mm Chassis- Max Travel 100 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-B1 2017
100
004020546000 AM Upgrade Kit Charger Race Day 32 Crown 100
004020546001 AM Upgrade Kit Charger Race Day 32 Remote 100
004018783009 AM Upgrade Kit Charger RLC SIDReba Crown
004018783010 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-B2 2018
FS-SID-RL-B3 2019
RLC
FS-SID-RLC-A1 2017
FS-SID-RLC-A2 2018
FS-SID-RLC-B1 2019
XX
FS-SID-XX-B1 2017
FS-SID-XX-B2 2018
FS-SID-XX-B3 2019
WORLD CUP
FS-SID-WC-B1 2017
FS-SID-WC-B2 2018
FS-SID-WC-B3 2019
SELECTFS-SID-SEL-B4 2020
FS-SIDS-SEL-C1 2021
SELECT+FS-SID-SELP-B4 2020
FS-SIDS-SELP-C1 2021
ULTIMATEFS-SID-ULT-B4 2020
FS-SIDS-ULT-C1 2021
REBA RL
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
8Compatibility
35 mm Chassis
Fork Model Year Max Travel (mm) Upgrade Kit
SIDSELECT FS-SID-SEL-C1 2021
120
004020546002 AM Upgrade Kit Charger Race Day 35 Crown 120
004020546003 AM Upgrade Kit Charger Race Day 35 Remote 120SELECT+ FS-SID-SELP-C1 2021
PIKE
RCFS-PIKE-RC-A1 2014-2015
160
004020169000 AM Upgrade Kit Charger 21 RCT3 Pike 26 Crown
004020169001 AM Upgrade Kit Charger 21 RCT3 Pike 275 Crown
FS-PIKE-RC-A2 2016-2017
RCT3FS-PIKE-RCT3-A1 2014-2015
FS-PIKE-RCT3-A2 2016-2017
RCFS-PIKE-RC-B1 2018
004020169003 AM Upgrade Kit Charger 21 RCT3 Pike B275 Crown
004020169005 AM Upgrade Kit Charger 21 RC2 Pike B1
FS-PIKE-RC-B2 2019
RCT3FS-PIKE-RCT3-B1 2018
FS-PIKE-RCT3-B2 2019
SELECTFS-PIKE-SEL-B3 2020
FS-PIKE-SEL-B4 2021
SELECT+FS-PIKE-SELP-B3 2020
FS-PIKE-SELP-B4 2021
REVELATIONRC
FS-RVL-RC-A1 2018
FS-RVL-RC-A2 2019-2020
FS-RVL-RC-A3 2021
CHARGER FS-RVL-CHRC-A1 2019
LYRIK
RC
FS-LYRK-RC-B1 2016-2017
180
004020170001 AM Upgrade Kit Charger 21 RCT3 LYRIK Crown
004020170000 AM Upgrade Kit Charger 21 RC2 LYRIK Crown
FS-LYRK-RC-C1 2018
FS-LYRK-RC-C2 2019
RCT3
FS-LYRK-RCT3-A1 2016-2017
FS-LYRK-RCT3-B1 2018
FS-LYRK-RCT3-C1 2019
RC2 FS-LYRK-RC2-C1 2019
SELECTFS-LYRK-SEL-C2 2020
FS-LYRK-SEL-C3 2021
SELECT+FS-LYRK-SELP-C2 2020
FS-LYRK-SELP-C3 2021
YARIRC
FS-LYRK-RC-A1 2016-2017
FS-LYRK-RC-B1 2018
FS-LYRK-RC-B2 2019-2020
FS-LYRK-RC-B3 2021
CHARGER FS-LYRK-CHRC-B1 2019
BOXXER
RC FS-BXR-RC-C1 2019
200 004020171000 AM Upgrade Kit Charger 21 RC2 BoXXerR 27529WORLD CUP FS-BXR-WC-C1 2019
SELECT FS-BXR-SEL-C2 2020-2021
9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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SAFETY FIRSTWe care about YOU Please always wear your safety glasses
and protective gloves when servicing RockShox products Protect yourself Wear your safety gear
TABLE OF CONTENTSROCKSHOX DAMPER UPGRADE KIT INSTALLATION 5
PART PREPARATION 5SERVICE PROCEDURES 5COMPATIBILITY 6PARTS TOOLS AND SUPPLIES 9
DAMPER REMOVAL 10MOTION CONTROL DAMPER REMOVAL 12CHARGER DAMPER REMOVAL 16CHARGER 2 AND 21 DAMPER REMOVAL 19BOXXER CHARGER DAMPER RC REMOVAL 23CHARGER RACE DAY DAMPER REMOVAL 25
DAMPER UPGRADE INSTALLATION 27CHARGER RACE DAY DAMPER INSTALLATION 27CHARGER 2 DAMPER INSTALLATION 29CHARGER 21 DAMPER INSTALLATION 31BOXXER CHARGER DAMPER RC2 INSTALLATION 33
LOWER LEG ASSEMBLY 35
5RockShox Damper Upgrade Kit Installation
R o c k S h o x D a m p e r U p g r a d e K i t I n s t a l l a t i o nWe recommend that you have your RockShox suspension serviced by a qualified bicycle mechanic Servicing RockShox suspension requires knowledge of suspension components as well as the use of specialized tools and lubricantsfluids Failure to follow the procedures outlined in this service manual may cause damage to your component and void the warranty
Visit wwwsramcomservice for the latest RockShox Spare Parts catalog and technical information For order information please contact your local SRAM distributor or dealer
Information contained in this publication is subject to change at any time without prior notice
Your products appearance may differ from the pictures contained in this publication
For recycling and environmental compliance information please visit wwwsramcomcompanyenvironment
P a r t P r e p a r a t i o n Remove the component from the bicycle before service
Disconnect and remove the remote cable or hydraulic hose from the fork or rear shock if applicable For additional information about RockShox remotes user manuals are available at wwwsramcomservice
Clean the exterior of the product with mild soap and water to avoid contamination of internal sealing part surfaces
S e r v i c e P r o c e d u r e sThe following procedures should be performed throughout service unless otherwise specified
Clean the part with Clean the part with RockShox Suspension Cleaner or isopropyl alcohol and isopropyl alcohol and a clean lint-free shop towel For hard to reach places (eg upper tube lower a clean lint-free shop towel For hard to reach places (eg upper tube lower leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean the insidethe inside
Clean the sealing surface on the part and inspect it for scratchesClean the sealing surface on the part and inspect it for scratches
Replace the o-ring or seal with a new one from the service kit Use your Replace the o-ring or seal with a new one from the service kit Use your fingers or a pick to pierce and remove the old seal or o-ring fingers or a pick to pierce and remove the old seal or o-ring
Apply grease to the new seal or o-ring Apply grease to the new seal or o-ring
NOTICEDo not scratch any sealing surfaces when servicing the product Scratches can cause leaks Consult the spare parts catalog to replace the damaged part
Use aluminum soft jaws when placing a part in a bench viseUse aluminum soft jaws when placing a part in a bench vise
Tighten the part with a torque wrench to the torque value listed in the red bar Tighten the part with a torque wrench to the torque value listed in the red bar When using a crowfoot socket and torque wrench install the crowfoot socket When using a crowfoot socket and torque wrench install the crowfoot socket at 90 degrees to the torque wrenchat 90 degrees to the torque wrench
Specified torque value in Nmiddotm (in-lb)
6Compatibility
C o m p a t i b i l i t yNOTICE
Damper top caps and upper tube thread pitches may vary consult the chart to verify compatibility before damper upgrade installationInstallation of an incompatible damper top cap will damage the upper tube and damper top cap threads If you are unsure what model year or generation you have contact your local SRAM distributor or dealer
32 mm Chassis- Max Travel 120 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-A2 2013
120
004018783003 AM Upgrade Kit Charger RLC SIDReba Crown
004018783011 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-A3 2014-2015
FS-SID-RL-A4 2016
FS-SID-RL-B3 2019
RLT
FS-SID-RLT-A2 2013
FS-SID-RLT-A3 2014-2015
FS-SID-RLT-A4 2016
RLC FS-SID-RLC-B1 2019
RCT3
FS-SID-RCT3-A2 2013
FS-SID-RCT3-A3 2014-2015
FS-SID-RCT3-A4 2016
XX
FS-SID-XX-A2 2013
FS-SID-XX-A3 2014-2015
FS-SID-XX-A4 2016
World Cup
FS-SID-WC-A2 2013
FS-SID-WC-A3 2014-2015
FS-SID-WC-A4 2016
XX World Cup
FS-SID-XXWC-A2 2013
FS-SID-XXWC-A3 2014-2015
FS-SID-XXWC-A4 2016
Select FS-SID-SEL-B4
2020Select+ FS-SID-SELP-B4
Ultimate FS-SID-ULT-B4
REBA
RL
FS-REBA-RL-A2 2013
FS-REBA-RL-A3 2014
FS-REBA-RL-A4 2015
FS-REBA-RL-A5 2016
FS-REBA-RL-A6 2017
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
RLT
FS-REBA-RLT-A2 2013
FS-REBA-RLT-A3 2014
FS-REBA-RLT-A4 2015
FS-REBA-RLT-A5 2016-2017
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
7Compatibility
32 mm Chassis- Max Travel 100 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-B1 2017
100
004020546000 AM Upgrade Kit Charger Race Day 32 Crown 100
004020546001 AM Upgrade Kit Charger Race Day 32 Remote 100
004018783009 AM Upgrade Kit Charger RLC SIDReba Crown
004018783010 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-B2 2018
FS-SID-RL-B3 2019
RLC
FS-SID-RLC-A1 2017
FS-SID-RLC-A2 2018
FS-SID-RLC-B1 2019
XX
FS-SID-XX-B1 2017
FS-SID-XX-B2 2018
FS-SID-XX-B3 2019
WORLD CUP
FS-SID-WC-B1 2017
FS-SID-WC-B2 2018
FS-SID-WC-B3 2019
SELECTFS-SID-SEL-B4 2020
FS-SIDS-SEL-C1 2021
SELECT+FS-SID-SELP-B4 2020
FS-SIDS-SELP-C1 2021
ULTIMATEFS-SID-ULT-B4 2020
FS-SIDS-ULT-C1 2021
REBA RL
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
8Compatibility
35 mm Chassis
Fork Model Year Max Travel (mm) Upgrade Kit
SIDSELECT FS-SID-SEL-C1 2021
120
004020546002 AM Upgrade Kit Charger Race Day 35 Crown 120
004020546003 AM Upgrade Kit Charger Race Day 35 Remote 120SELECT+ FS-SID-SELP-C1 2021
PIKE
RCFS-PIKE-RC-A1 2014-2015
160
004020169000 AM Upgrade Kit Charger 21 RCT3 Pike 26 Crown
004020169001 AM Upgrade Kit Charger 21 RCT3 Pike 275 Crown
FS-PIKE-RC-A2 2016-2017
RCT3FS-PIKE-RCT3-A1 2014-2015
FS-PIKE-RCT3-A2 2016-2017
RCFS-PIKE-RC-B1 2018
004020169003 AM Upgrade Kit Charger 21 RCT3 Pike B275 Crown
004020169005 AM Upgrade Kit Charger 21 RC2 Pike B1
FS-PIKE-RC-B2 2019
RCT3FS-PIKE-RCT3-B1 2018
FS-PIKE-RCT3-B2 2019
SELECTFS-PIKE-SEL-B3 2020
FS-PIKE-SEL-B4 2021
SELECT+FS-PIKE-SELP-B3 2020
FS-PIKE-SELP-B4 2021
REVELATIONRC
FS-RVL-RC-A1 2018
FS-RVL-RC-A2 2019-2020
FS-RVL-RC-A3 2021
CHARGER FS-RVL-CHRC-A1 2019
LYRIK
RC
FS-LYRK-RC-B1 2016-2017
180
004020170001 AM Upgrade Kit Charger 21 RCT3 LYRIK Crown
004020170000 AM Upgrade Kit Charger 21 RC2 LYRIK Crown
FS-LYRK-RC-C1 2018
FS-LYRK-RC-C2 2019
RCT3
FS-LYRK-RCT3-A1 2016-2017
FS-LYRK-RCT3-B1 2018
FS-LYRK-RCT3-C1 2019
RC2 FS-LYRK-RC2-C1 2019
SELECTFS-LYRK-SEL-C2 2020
FS-LYRK-SEL-C3 2021
SELECT+FS-LYRK-SELP-C2 2020
FS-LYRK-SELP-C3 2021
YARIRC
FS-LYRK-RC-A1 2016-2017
FS-LYRK-RC-B1 2018
FS-LYRK-RC-B2 2019-2020
FS-LYRK-RC-B3 2021
CHARGER FS-LYRK-CHRC-B1 2019
BOXXER
RC FS-BXR-RC-C1 2019
200 004020171000 AM Upgrade Kit Charger 21 RC2 BoXXerR 27529WORLD CUP FS-BXR-WC-C1 2019
SELECT FS-BXR-SEL-C2 2020-2021
9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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TABLE OF CONTENTSROCKSHOX DAMPER UPGRADE KIT INSTALLATION 5
PART PREPARATION 5SERVICE PROCEDURES 5COMPATIBILITY 6PARTS TOOLS AND SUPPLIES 9
DAMPER REMOVAL 10MOTION CONTROL DAMPER REMOVAL 12CHARGER DAMPER REMOVAL 16CHARGER 2 AND 21 DAMPER REMOVAL 19BOXXER CHARGER DAMPER RC REMOVAL 23CHARGER RACE DAY DAMPER REMOVAL 25
DAMPER UPGRADE INSTALLATION 27CHARGER RACE DAY DAMPER INSTALLATION 27CHARGER 2 DAMPER INSTALLATION 29CHARGER 21 DAMPER INSTALLATION 31BOXXER CHARGER DAMPER RC2 INSTALLATION 33
LOWER LEG ASSEMBLY 35
5RockShox Damper Upgrade Kit Installation
R o c k S h o x D a m p e r U p g r a d e K i t I n s t a l l a t i o nWe recommend that you have your RockShox suspension serviced by a qualified bicycle mechanic Servicing RockShox suspension requires knowledge of suspension components as well as the use of specialized tools and lubricantsfluids Failure to follow the procedures outlined in this service manual may cause damage to your component and void the warranty
Visit wwwsramcomservice for the latest RockShox Spare Parts catalog and technical information For order information please contact your local SRAM distributor or dealer
Information contained in this publication is subject to change at any time without prior notice
Your products appearance may differ from the pictures contained in this publication
For recycling and environmental compliance information please visit wwwsramcomcompanyenvironment
P a r t P r e p a r a t i o n Remove the component from the bicycle before service
Disconnect and remove the remote cable or hydraulic hose from the fork or rear shock if applicable For additional information about RockShox remotes user manuals are available at wwwsramcomservice
Clean the exterior of the product with mild soap and water to avoid contamination of internal sealing part surfaces
S e r v i c e P r o c e d u r e sThe following procedures should be performed throughout service unless otherwise specified
Clean the part with Clean the part with RockShox Suspension Cleaner or isopropyl alcohol and isopropyl alcohol and a clean lint-free shop towel For hard to reach places (eg upper tube lower a clean lint-free shop towel For hard to reach places (eg upper tube lower leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean the insidethe inside
Clean the sealing surface on the part and inspect it for scratchesClean the sealing surface on the part and inspect it for scratches
Replace the o-ring or seal with a new one from the service kit Use your Replace the o-ring or seal with a new one from the service kit Use your fingers or a pick to pierce and remove the old seal or o-ring fingers or a pick to pierce and remove the old seal or o-ring
Apply grease to the new seal or o-ring Apply grease to the new seal or o-ring
NOTICEDo not scratch any sealing surfaces when servicing the product Scratches can cause leaks Consult the spare parts catalog to replace the damaged part
Use aluminum soft jaws when placing a part in a bench viseUse aluminum soft jaws when placing a part in a bench vise
Tighten the part with a torque wrench to the torque value listed in the red bar Tighten the part with a torque wrench to the torque value listed in the red bar When using a crowfoot socket and torque wrench install the crowfoot socket When using a crowfoot socket and torque wrench install the crowfoot socket at 90 degrees to the torque wrenchat 90 degrees to the torque wrench
Specified torque value in Nmiddotm (in-lb)
6Compatibility
C o m p a t i b i l i t yNOTICE
Damper top caps and upper tube thread pitches may vary consult the chart to verify compatibility before damper upgrade installationInstallation of an incompatible damper top cap will damage the upper tube and damper top cap threads If you are unsure what model year or generation you have contact your local SRAM distributor or dealer
32 mm Chassis- Max Travel 120 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-A2 2013
120
004018783003 AM Upgrade Kit Charger RLC SIDReba Crown
004018783011 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-A3 2014-2015
FS-SID-RL-A4 2016
FS-SID-RL-B3 2019
RLT
FS-SID-RLT-A2 2013
FS-SID-RLT-A3 2014-2015
FS-SID-RLT-A4 2016
RLC FS-SID-RLC-B1 2019
RCT3
FS-SID-RCT3-A2 2013
FS-SID-RCT3-A3 2014-2015
FS-SID-RCT3-A4 2016
XX
FS-SID-XX-A2 2013
FS-SID-XX-A3 2014-2015
FS-SID-XX-A4 2016
World Cup
FS-SID-WC-A2 2013
FS-SID-WC-A3 2014-2015
FS-SID-WC-A4 2016
XX World Cup
FS-SID-XXWC-A2 2013
FS-SID-XXWC-A3 2014-2015
FS-SID-XXWC-A4 2016
Select FS-SID-SEL-B4
2020Select+ FS-SID-SELP-B4
Ultimate FS-SID-ULT-B4
REBA
RL
FS-REBA-RL-A2 2013
FS-REBA-RL-A3 2014
FS-REBA-RL-A4 2015
FS-REBA-RL-A5 2016
FS-REBA-RL-A6 2017
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
RLT
FS-REBA-RLT-A2 2013
FS-REBA-RLT-A3 2014
FS-REBA-RLT-A4 2015
FS-REBA-RLT-A5 2016-2017
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
7Compatibility
32 mm Chassis- Max Travel 100 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-B1 2017
100
004020546000 AM Upgrade Kit Charger Race Day 32 Crown 100
004020546001 AM Upgrade Kit Charger Race Day 32 Remote 100
004018783009 AM Upgrade Kit Charger RLC SIDReba Crown
004018783010 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-B2 2018
FS-SID-RL-B3 2019
RLC
FS-SID-RLC-A1 2017
FS-SID-RLC-A2 2018
FS-SID-RLC-B1 2019
XX
FS-SID-XX-B1 2017
FS-SID-XX-B2 2018
FS-SID-XX-B3 2019
WORLD CUP
FS-SID-WC-B1 2017
FS-SID-WC-B2 2018
FS-SID-WC-B3 2019
SELECTFS-SID-SEL-B4 2020
FS-SIDS-SEL-C1 2021
SELECT+FS-SID-SELP-B4 2020
FS-SIDS-SELP-C1 2021
ULTIMATEFS-SID-ULT-B4 2020
FS-SIDS-ULT-C1 2021
REBA RL
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
8Compatibility
35 mm Chassis
Fork Model Year Max Travel (mm) Upgrade Kit
SIDSELECT FS-SID-SEL-C1 2021
120
004020546002 AM Upgrade Kit Charger Race Day 35 Crown 120
004020546003 AM Upgrade Kit Charger Race Day 35 Remote 120SELECT+ FS-SID-SELP-C1 2021
PIKE
RCFS-PIKE-RC-A1 2014-2015
160
004020169000 AM Upgrade Kit Charger 21 RCT3 Pike 26 Crown
004020169001 AM Upgrade Kit Charger 21 RCT3 Pike 275 Crown
FS-PIKE-RC-A2 2016-2017
RCT3FS-PIKE-RCT3-A1 2014-2015
FS-PIKE-RCT3-A2 2016-2017
RCFS-PIKE-RC-B1 2018
004020169003 AM Upgrade Kit Charger 21 RCT3 Pike B275 Crown
004020169005 AM Upgrade Kit Charger 21 RC2 Pike B1
FS-PIKE-RC-B2 2019
RCT3FS-PIKE-RCT3-B1 2018
FS-PIKE-RCT3-B2 2019
SELECTFS-PIKE-SEL-B3 2020
FS-PIKE-SEL-B4 2021
SELECT+FS-PIKE-SELP-B3 2020
FS-PIKE-SELP-B4 2021
REVELATIONRC
FS-RVL-RC-A1 2018
FS-RVL-RC-A2 2019-2020
FS-RVL-RC-A3 2021
CHARGER FS-RVL-CHRC-A1 2019
LYRIK
RC
FS-LYRK-RC-B1 2016-2017
180
004020170001 AM Upgrade Kit Charger 21 RCT3 LYRIK Crown
004020170000 AM Upgrade Kit Charger 21 RC2 LYRIK Crown
FS-LYRK-RC-C1 2018
FS-LYRK-RC-C2 2019
RCT3
FS-LYRK-RCT3-A1 2016-2017
FS-LYRK-RCT3-B1 2018
FS-LYRK-RCT3-C1 2019
RC2 FS-LYRK-RC2-C1 2019
SELECTFS-LYRK-SEL-C2 2020
FS-LYRK-SEL-C3 2021
SELECT+FS-LYRK-SELP-C2 2020
FS-LYRK-SELP-C3 2021
YARIRC
FS-LYRK-RC-A1 2016-2017
FS-LYRK-RC-B1 2018
FS-LYRK-RC-B2 2019-2020
FS-LYRK-RC-B3 2021
CHARGER FS-LYRK-CHRC-B1 2019
BOXXER
RC FS-BXR-RC-C1 2019
200 004020171000 AM Upgrade Kit Charger 21 RC2 BoXXerR 27529WORLD CUP FS-BXR-WC-C1 2019
SELECT FS-BXR-SEL-C2 2020-2021
9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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5RockShox Damper Upgrade Kit Installation
R o c k S h o x D a m p e r U p g r a d e K i t I n s t a l l a t i o nWe recommend that you have your RockShox suspension serviced by a qualified bicycle mechanic Servicing RockShox suspension requires knowledge of suspension components as well as the use of specialized tools and lubricantsfluids Failure to follow the procedures outlined in this service manual may cause damage to your component and void the warranty
Visit wwwsramcomservice for the latest RockShox Spare Parts catalog and technical information For order information please contact your local SRAM distributor or dealer
Information contained in this publication is subject to change at any time without prior notice
Your products appearance may differ from the pictures contained in this publication
For recycling and environmental compliance information please visit wwwsramcomcompanyenvironment
P a r t P r e p a r a t i o n Remove the component from the bicycle before service
Disconnect and remove the remote cable or hydraulic hose from the fork or rear shock if applicable For additional information about RockShox remotes user manuals are available at wwwsramcomservice
Clean the exterior of the product with mild soap and water to avoid contamination of internal sealing part surfaces
S e r v i c e P r o c e d u r e sThe following procedures should be performed throughout service unless otherwise specified
Clean the part with Clean the part with RockShox Suspension Cleaner or isopropyl alcohol and isopropyl alcohol and a clean lint-free shop towel For hard to reach places (eg upper tube lower a clean lint-free shop towel For hard to reach places (eg upper tube lower leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean leg) wrap a clean lint-free shop towel around a non-metallic dowel to clean the insidethe inside
Clean the sealing surface on the part and inspect it for scratchesClean the sealing surface on the part and inspect it for scratches
Replace the o-ring or seal with a new one from the service kit Use your Replace the o-ring or seal with a new one from the service kit Use your fingers or a pick to pierce and remove the old seal or o-ring fingers or a pick to pierce and remove the old seal or o-ring
Apply grease to the new seal or o-ring Apply grease to the new seal or o-ring
NOTICEDo not scratch any sealing surfaces when servicing the product Scratches can cause leaks Consult the spare parts catalog to replace the damaged part
Use aluminum soft jaws when placing a part in a bench viseUse aluminum soft jaws when placing a part in a bench vise
Tighten the part with a torque wrench to the torque value listed in the red bar Tighten the part with a torque wrench to the torque value listed in the red bar When using a crowfoot socket and torque wrench install the crowfoot socket When using a crowfoot socket and torque wrench install the crowfoot socket at 90 degrees to the torque wrenchat 90 degrees to the torque wrench
Specified torque value in Nmiddotm (in-lb)
6Compatibility
C o m p a t i b i l i t yNOTICE
Damper top caps and upper tube thread pitches may vary consult the chart to verify compatibility before damper upgrade installationInstallation of an incompatible damper top cap will damage the upper tube and damper top cap threads If you are unsure what model year or generation you have contact your local SRAM distributor or dealer
32 mm Chassis- Max Travel 120 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-A2 2013
120
004018783003 AM Upgrade Kit Charger RLC SIDReba Crown
004018783011 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-A3 2014-2015
FS-SID-RL-A4 2016
FS-SID-RL-B3 2019
RLT
FS-SID-RLT-A2 2013
FS-SID-RLT-A3 2014-2015
FS-SID-RLT-A4 2016
RLC FS-SID-RLC-B1 2019
RCT3
FS-SID-RCT3-A2 2013
FS-SID-RCT3-A3 2014-2015
FS-SID-RCT3-A4 2016
XX
FS-SID-XX-A2 2013
FS-SID-XX-A3 2014-2015
FS-SID-XX-A4 2016
World Cup
FS-SID-WC-A2 2013
FS-SID-WC-A3 2014-2015
FS-SID-WC-A4 2016
XX World Cup
FS-SID-XXWC-A2 2013
FS-SID-XXWC-A3 2014-2015
FS-SID-XXWC-A4 2016
Select FS-SID-SEL-B4
2020Select+ FS-SID-SELP-B4
Ultimate FS-SID-ULT-B4
REBA
RL
FS-REBA-RL-A2 2013
FS-REBA-RL-A3 2014
FS-REBA-RL-A4 2015
FS-REBA-RL-A5 2016
FS-REBA-RL-A6 2017
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
RLT
FS-REBA-RLT-A2 2013
FS-REBA-RLT-A3 2014
FS-REBA-RLT-A4 2015
FS-REBA-RLT-A5 2016-2017
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
7Compatibility
32 mm Chassis- Max Travel 100 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-B1 2017
100
004020546000 AM Upgrade Kit Charger Race Day 32 Crown 100
004020546001 AM Upgrade Kit Charger Race Day 32 Remote 100
004018783009 AM Upgrade Kit Charger RLC SIDReba Crown
004018783010 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-B2 2018
FS-SID-RL-B3 2019
RLC
FS-SID-RLC-A1 2017
FS-SID-RLC-A2 2018
FS-SID-RLC-B1 2019
XX
FS-SID-XX-B1 2017
FS-SID-XX-B2 2018
FS-SID-XX-B3 2019
WORLD CUP
FS-SID-WC-B1 2017
FS-SID-WC-B2 2018
FS-SID-WC-B3 2019
SELECTFS-SID-SEL-B4 2020
FS-SIDS-SEL-C1 2021
SELECT+FS-SID-SELP-B4 2020
FS-SIDS-SELP-C1 2021
ULTIMATEFS-SID-ULT-B4 2020
FS-SIDS-ULT-C1 2021
REBA RL
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
8Compatibility
35 mm Chassis
Fork Model Year Max Travel (mm) Upgrade Kit
SIDSELECT FS-SID-SEL-C1 2021
120
004020546002 AM Upgrade Kit Charger Race Day 35 Crown 120
004020546003 AM Upgrade Kit Charger Race Day 35 Remote 120SELECT+ FS-SID-SELP-C1 2021
PIKE
RCFS-PIKE-RC-A1 2014-2015
160
004020169000 AM Upgrade Kit Charger 21 RCT3 Pike 26 Crown
004020169001 AM Upgrade Kit Charger 21 RCT3 Pike 275 Crown
FS-PIKE-RC-A2 2016-2017
RCT3FS-PIKE-RCT3-A1 2014-2015
FS-PIKE-RCT3-A2 2016-2017
RCFS-PIKE-RC-B1 2018
004020169003 AM Upgrade Kit Charger 21 RCT3 Pike B275 Crown
004020169005 AM Upgrade Kit Charger 21 RC2 Pike B1
FS-PIKE-RC-B2 2019
RCT3FS-PIKE-RCT3-B1 2018
FS-PIKE-RCT3-B2 2019
SELECTFS-PIKE-SEL-B3 2020
FS-PIKE-SEL-B4 2021
SELECT+FS-PIKE-SELP-B3 2020
FS-PIKE-SELP-B4 2021
REVELATIONRC
FS-RVL-RC-A1 2018
FS-RVL-RC-A2 2019-2020
FS-RVL-RC-A3 2021
CHARGER FS-RVL-CHRC-A1 2019
LYRIK
RC
FS-LYRK-RC-B1 2016-2017
180
004020170001 AM Upgrade Kit Charger 21 RCT3 LYRIK Crown
004020170000 AM Upgrade Kit Charger 21 RC2 LYRIK Crown
FS-LYRK-RC-C1 2018
FS-LYRK-RC-C2 2019
RCT3
FS-LYRK-RCT3-A1 2016-2017
FS-LYRK-RCT3-B1 2018
FS-LYRK-RCT3-C1 2019
RC2 FS-LYRK-RC2-C1 2019
SELECTFS-LYRK-SEL-C2 2020
FS-LYRK-SEL-C3 2021
SELECT+FS-LYRK-SELP-C2 2020
FS-LYRK-SELP-C3 2021
YARIRC
FS-LYRK-RC-A1 2016-2017
FS-LYRK-RC-B1 2018
FS-LYRK-RC-B2 2019-2020
FS-LYRK-RC-B3 2021
CHARGER FS-LYRK-CHRC-B1 2019
BOXXER
RC FS-BXR-RC-C1 2019
200 004020171000 AM Upgrade Kit Charger 21 RC2 BoXXerR 27529WORLD CUP FS-BXR-WC-C1 2019
SELECT FS-BXR-SEL-C2 2020-2021
9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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6Compatibility
C o m p a t i b i l i t yNOTICE
Damper top caps and upper tube thread pitches may vary consult the chart to verify compatibility before damper upgrade installationInstallation of an incompatible damper top cap will damage the upper tube and damper top cap threads If you are unsure what model year or generation you have contact your local SRAM distributor or dealer
32 mm Chassis- Max Travel 120 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-A2 2013
120
004018783003 AM Upgrade Kit Charger RLC SIDReba Crown
004018783011 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-A3 2014-2015
FS-SID-RL-A4 2016
FS-SID-RL-B3 2019
RLT
FS-SID-RLT-A2 2013
FS-SID-RLT-A3 2014-2015
FS-SID-RLT-A4 2016
RLC FS-SID-RLC-B1 2019
RCT3
FS-SID-RCT3-A2 2013
FS-SID-RCT3-A3 2014-2015
FS-SID-RCT3-A4 2016
XX
FS-SID-XX-A2 2013
FS-SID-XX-A3 2014-2015
FS-SID-XX-A4 2016
World Cup
FS-SID-WC-A2 2013
FS-SID-WC-A3 2014-2015
FS-SID-WC-A4 2016
XX World Cup
FS-SID-XXWC-A2 2013
FS-SID-XXWC-A3 2014-2015
FS-SID-XXWC-A4 2016
Select FS-SID-SEL-B4
2020Select+ FS-SID-SELP-B4
Ultimate FS-SID-ULT-B4
REBA
RL
FS-REBA-RL-A2 2013
FS-REBA-RL-A3 2014
FS-REBA-RL-A4 2015
FS-REBA-RL-A5 2016
FS-REBA-RL-A6 2017
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
RLT
FS-REBA-RLT-A2 2013
FS-REBA-RLT-A3 2014
FS-REBA-RLT-A4 2015
FS-REBA-RLT-A5 2016-2017
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
7Compatibility
32 mm Chassis- Max Travel 100 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-B1 2017
100
004020546000 AM Upgrade Kit Charger Race Day 32 Crown 100
004020546001 AM Upgrade Kit Charger Race Day 32 Remote 100
004018783009 AM Upgrade Kit Charger RLC SIDReba Crown
004018783010 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-B2 2018
FS-SID-RL-B3 2019
RLC
FS-SID-RLC-A1 2017
FS-SID-RLC-A2 2018
FS-SID-RLC-B1 2019
XX
FS-SID-XX-B1 2017
FS-SID-XX-B2 2018
FS-SID-XX-B3 2019
WORLD CUP
FS-SID-WC-B1 2017
FS-SID-WC-B2 2018
FS-SID-WC-B3 2019
SELECTFS-SID-SEL-B4 2020
FS-SIDS-SEL-C1 2021
SELECT+FS-SID-SELP-B4 2020
FS-SIDS-SELP-C1 2021
ULTIMATEFS-SID-ULT-B4 2020
FS-SIDS-ULT-C1 2021
REBA RL
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
8Compatibility
35 mm Chassis
Fork Model Year Max Travel (mm) Upgrade Kit
SIDSELECT FS-SID-SEL-C1 2021
120
004020546002 AM Upgrade Kit Charger Race Day 35 Crown 120
004020546003 AM Upgrade Kit Charger Race Day 35 Remote 120SELECT+ FS-SID-SELP-C1 2021
PIKE
RCFS-PIKE-RC-A1 2014-2015
160
004020169000 AM Upgrade Kit Charger 21 RCT3 Pike 26 Crown
004020169001 AM Upgrade Kit Charger 21 RCT3 Pike 275 Crown
FS-PIKE-RC-A2 2016-2017
RCT3FS-PIKE-RCT3-A1 2014-2015
FS-PIKE-RCT3-A2 2016-2017
RCFS-PIKE-RC-B1 2018
004020169003 AM Upgrade Kit Charger 21 RCT3 Pike B275 Crown
004020169005 AM Upgrade Kit Charger 21 RC2 Pike B1
FS-PIKE-RC-B2 2019
RCT3FS-PIKE-RCT3-B1 2018
FS-PIKE-RCT3-B2 2019
SELECTFS-PIKE-SEL-B3 2020
FS-PIKE-SEL-B4 2021
SELECT+FS-PIKE-SELP-B3 2020
FS-PIKE-SELP-B4 2021
REVELATIONRC
FS-RVL-RC-A1 2018
FS-RVL-RC-A2 2019-2020
FS-RVL-RC-A3 2021
CHARGER FS-RVL-CHRC-A1 2019
LYRIK
RC
FS-LYRK-RC-B1 2016-2017
180
004020170001 AM Upgrade Kit Charger 21 RCT3 LYRIK Crown
004020170000 AM Upgrade Kit Charger 21 RC2 LYRIK Crown
FS-LYRK-RC-C1 2018
FS-LYRK-RC-C2 2019
RCT3
FS-LYRK-RCT3-A1 2016-2017
FS-LYRK-RCT3-B1 2018
FS-LYRK-RCT3-C1 2019
RC2 FS-LYRK-RC2-C1 2019
SELECTFS-LYRK-SEL-C2 2020
FS-LYRK-SEL-C3 2021
SELECT+FS-LYRK-SELP-C2 2020
FS-LYRK-SELP-C3 2021
YARIRC
FS-LYRK-RC-A1 2016-2017
FS-LYRK-RC-B1 2018
FS-LYRK-RC-B2 2019-2020
FS-LYRK-RC-B3 2021
CHARGER FS-LYRK-CHRC-B1 2019
BOXXER
RC FS-BXR-RC-C1 2019
200 004020171000 AM Upgrade Kit Charger 21 RC2 BoXXerR 27529WORLD CUP FS-BXR-WC-C1 2019
SELECT FS-BXR-SEL-C2 2020-2021
9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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7Compatibility
32 mm Chassis- Max Travel 100 mm
Fork Model Year Max Travel (mm) Upgrade Kit
SID
RL
FS-SID-RL-B1 2017
100
004020546000 AM Upgrade Kit Charger Race Day 32 Crown 100
004020546001 AM Upgrade Kit Charger Race Day 32 Remote 100
004018783009 AM Upgrade Kit Charger RLC SIDReba Crown
004018783010 AM Upgrade Kit Charger RLC SIDReba Remote
FS-SID-RL-B2 2018
FS-SID-RL-B3 2019
RLC
FS-SID-RLC-A1 2017
FS-SID-RLC-A2 2018
FS-SID-RLC-B1 2019
XX
FS-SID-XX-B1 2017
FS-SID-XX-B2 2018
FS-SID-XX-B3 2019
WORLD CUP
FS-SID-WC-B1 2017
FS-SID-WC-B2 2018
FS-SID-WC-B3 2019
SELECTFS-SID-SEL-B4 2020
FS-SIDS-SEL-C1 2021
SELECT+FS-SID-SELP-B4 2020
FS-SIDS-SELP-C1 2021
ULTIMATEFS-SID-ULT-B4 2020
FS-SIDS-ULT-C1 2021
REBA RL
FS-REBA-RL-A7 2018
FS-REBA-RL-A8 2019-2020
FS-REBA-RL-A9 2021
BLUTO
RL
FS-BLTO-RLT-A1 2015
FS-BLTO-RLT-A2 2016
FS-BLTO-RLT-A3 2017-2018
FS-BLTO-RLT-A4 2019-2021
RCT3FS-BLTO-RCT3-A2 2016
FS-BLTO-RCT3-A3 2017-2018
8Compatibility
35 mm Chassis
Fork Model Year Max Travel (mm) Upgrade Kit
SIDSELECT FS-SID-SEL-C1 2021
120
004020546002 AM Upgrade Kit Charger Race Day 35 Crown 120
004020546003 AM Upgrade Kit Charger Race Day 35 Remote 120SELECT+ FS-SID-SELP-C1 2021
PIKE
RCFS-PIKE-RC-A1 2014-2015
160
004020169000 AM Upgrade Kit Charger 21 RCT3 Pike 26 Crown
004020169001 AM Upgrade Kit Charger 21 RCT3 Pike 275 Crown
FS-PIKE-RC-A2 2016-2017
RCT3FS-PIKE-RCT3-A1 2014-2015
FS-PIKE-RCT3-A2 2016-2017
RCFS-PIKE-RC-B1 2018
004020169003 AM Upgrade Kit Charger 21 RCT3 Pike B275 Crown
004020169005 AM Upgrade Kit Charger 21 RC2 Pike B1
FS-PIKE-RC-B2 2019
RCT3FS-PIKE-RCT3-B1 2018
FS-PIKE-RCT3-B2 2019
SELECTFS-PIKE-SEL-B3 2020
FS-PIKE-SEL-B4 2021
SELECT+FS-PIKE-SELP-B3 2020
FS-PIKE-SELP-B4 2021
REVELATIONRC
FS-RVL-RC-A1 2018
FS-RVL-RC-A2 2019-2020
FS-RVL-RC-A3 2021
CHARGER FS-RVL-CHRC-A1 2019
LYRIK
RC
FS-LYRK-RC-B1 2016-2017
180
004020170001 AM Upgrade Kit Charger 21 RCT3 LYRIK Crown
004020170000 AM Upgrade Kit Charger 21 RC2 LYRIK Crown
FS-LYRK-RC-C1 2018
FS-LYRK-RC-C2 2019
RCT3
FS-LYRK-RCT3-A1 2016-2017
FS-LYRK-RCT3-B1 2018
FS-LYRK-RCT3-C1 2019
RC2 FS-LYRK-RC2-C1 2019
SELECTFS-LYRK-SEL-C2 2020
FS-LYRK-SEL-C3 2021
SELECT+FS-LYRK-SELP-C2 2020
FS-LYRK-SELP-C3 2021
YARIRC
FS-LYRK-RC-A1 2016-2017
FS-LYRK-RC-B1 2018
FS-LYRK-RC-B2 2019-2020
FS-LYRK-RC-B3 2021
CHARGER FS-LYRK-CHRC-B1 2019
BOXXER
RC FS-BXR-RC-C1 2019
200 004020171000 AM Upgrade Kit Charger 21 RC2 BoXXerR 27529WORLD CUP FS-BXR-WC-C1 2019
SELECT FS-BXR-SEL-C2 2020-2021
9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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8Compatibility
35 mm Chassis
Fork Model Year Max Travel (mm) Upgrade Kit
SIDSELECT FS-SID-SEL-C1 2021
120
004020546002 AM Upgrade Kit Charger Race Day 35 Crown 120
004020546003 AM Upgrade Kit Charger Race Day 35 Remote 120SELECT+ FS-SID-SELP-C1 2021
PIKE
RCFS-PIKE-RC-A1 2014-2015
160
004020169000 AM Upgrade Kit Charger 21 RCT3 Pike 26 Crown
004020169001 AM Upgrade Kit Charger 21 RCT3 Pike 275 Crown
FS-PIKE-RC-A2 2016-2017
RCT3FS-PIKE-RCT3-A1 2014-2015
FS-PIKE-RCT3-A2 2016-2017
RCFS-PIKE-RC-B1 2018
004020169003 AM Upgrade Kit Charger 21 RCT3 Pike B275 Crown
004020169005 AM Upgrade Kit Charger 21 RC2 Pike B1
FS-PIKE-RC-B2 2019
RCT3FS-PIKE-RCT3-B1 2018
FS-PIKE-RCT3-B2 2019
SELECTFS-PIKE-SEL-B3 2020
FS-PIKE-SEL-B4 2021
SELECT+FS-PIKE-SELP-B3 2020
FS-PIKE-SELP-B4 2021
REVELATIONRC
FS-RVL-RC-A1 2018
FS-RVL-RC-A2 2019-2020
FS-RVL-RC-A3 2021
CHARGER FS-RVL-CHRC-A1 2019
LYRIK
RC
FS-LYRK-RC-B1 2016-2017
180
004020170001 AM Upgrade Kit Charger 21 RCT3 LYRIK Crown
004020170000 AM Upgrade Kit Charger 21 RC2 LYRIK Crown
FS-LYRK-RC-C1 2018
FS-LYRK-RC-C2 2019
RCT3
FS-LYRK-RCT3-A1 2016-2017
FS-LYRK-RCT3-B1 2018
FS-LYRK-RCT3-C1 2019
RC2 FS-LYRK-RC2-C1 2019
SELECTFS-LYRK-SEL-C2 2020
FS-LYRK-SEL-C3 2021
SELECT+FS-LYRK-SELP-C2 2020
FS-LYRK-SELP-C3 2021
YARIRC
FS-LYRK-RC-A1 2016-2017
FS-LYRK-RC-B1 2018
FS-LYRK-RC-B2 2019-2020
FS-LYRK-RC-B3 2021
CHARGER FS-LYRK-CHRC-B1 2019
BOXXER
RC FS-BXR-RC-C1 2019
200 004020171000 AM Upgrade Kit Charger 21 RC2 BoXXerR 27529WORLD CUP FS-BXR-WC-C1 2019
SELECT FS-BXR-SEL-C2 2020-2021
9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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9Parts Tools and Supplies
P a r t s T o o l s a n d S u p p l i e sParts
bull Damper Upgrade Kit (see Compatibility)
Safety and Protection Supplies
bull Apron
bull Clean lint-free shop towels
bull Nitrile gloves
bull Oil pan
bull Safety glasses
Lubricants and Fluids
bull Isopropyl alcohol or RockShox Suspension Cleaner
bull RockShox 0w-30 Suspension Oil
bull RockShox 15wt Suspension Oil
bull RockShox Dynamic Seal Grease (PTFE)
RockShox Tools
bull RockShox shock pump
Bicycle Tools
bull Bicycle work stand
bull Shock pump
Common Tools
bull Cassette lockring tool or RockShox Top CapCassette Tool (3824 mm)
bull Hex bit sockets 2 mm 25 mm 5 mm
bull Hex wrenches 15 mm 2 mm 25 mm 4 mm 5 mm 6 mm
bull Internal retaining ring pliers
bull Long plastic or wooden dowel
bull Open end wrench 10 mm 24 mm (XLoc)
bull Pick
bull Rubber or plastic mallet
bull Sockets 6 mm 24 mm 30 mm
bull Torque wrench
SAFETY INSTRUCTIONSAlways wear safety glasses and nitrile gloves when working with suspension oil
Place an oil pan on the floor underneath the area where you will be working on the shock or suspension fork
10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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10Damper Removal
D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Remove the air valve cap Remove the air valve cap
Depress the Schrader valve and release all air pressureDepress the Schrader valve and release all air pressure
CAUTION - EYE HAZARDVerify all pressure is removed from the fork before proceeding Failure to do so can result in injury andor damage to the fork Wear safety glasses
Loosen the rebound adjuster knob screw if present Loosen the rebound adjuster knob screw if present
Remove the rebound adjuster knobRemove the rebound adjuster knob
1
Small Hex
2
25 mm
3
Charger Race Day Damper Hollow Bottom Lower Leg
11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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11Damper Removal
Place an oil pan beneath the fork to catch the draining oil Place an oil pan beneath the fork to catch the draining oil
SIDREBABLUTO Continue with Motion Control Charger Damper or Charger 2 Damper Removal
PIKEREVELATIONLYRIKYARI Continue with Motion Control Charger Damper or Charger 2 or 21 Damper Removal
BoXXer BoXXer Continue with Continue with BoXXer Damper RC BoXXer Damper RC RemovalRemoval
Oil Pan
4
12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
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These are registered logos of SRAM LLC
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12Motion Control Damper Removal
M o t i o n C o n t r o l D a m p e r R e m o v a lThe procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen both bottom bolts 3 to 4 turnsLoosen both bottom bolts 3 to 4 turns
Strike each bottom bolt to dislodge the shafts from the lower leg on Strike each bottom bolt to dislodge the shafts from the lower leg on each side The bolt head should contact the bottom of the lower leg each side The bolt head should contact the bottom of the lower leg
Remove each bottom bolt Clean each bolt and set them aside Remove each bottom bolt Clean each bolt and set them aside
Firmly pull the lower leg downward until fluid begins to drain Continue Firmly pull the lower leg downward until fluid begins to drain Continue pulling downward to remove the lower leg pulling downward to remove the lower leg
If the lower leg does not slide off of the upper tube or if oil does not If the lower leg does not slide off of the upper tube or if oil does not drain from either side the press fit of the shaft(s) into the lower leg may drain from either side the press fit of the shaft(s) into the lower leg may still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the still be engaged Reinstall the bottom bolts 2 to 3 turns and repeat the previous stepprevious step
NOTICEDo not strike the fork arch with any tool when removing the lower leg as this could damage the lower leg
5 mm Spring Side 5 mm Damper Side
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
13Motion Control Damper Removal
Clean the inside and outside of the lower leg Clean the wiper sealsClean the inside and outside of the lower leg Clean the wiper seals
Set the lower leg asideSet the lower leg aside
Crown Crown Rotate the adjuster knob to the open positionRotate the adjuster knob to the open position
CrownCrown Remove the retention screw nut (some models) and Remove the retention screw nut (some models) and compression adjuster knob(s)compression adjuster knob(s)
3
4
2 or 25 mm Crown
5
15 mm 10 mm
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
14Motion Control Damper Removal
Remote Remote Remove the retention screw and cable spool Loosen the Remove the retention screw and cable spool Loosen the remote cable stop collar clamping bolt and remove itremote cable stop collar clamping bolt and remove itRemove the lower remote spool if present Remove the lower remote spool if present
Unthread the compression damper top capUnthread the compression damper top cap
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
XLocXLoc Remote Remote Press the XLoc remote button to the compressed (open) Press the XLoc remote button to the compressed (open) position Unthread the compression damperposition Unthread the compression damper
Remove the compression damper by pulling up firmly and slowly while Remove the compression damper by pulling up firmly and slowly while gently rotating the damper in a circular motiongently rotating the damper in a circular motion
NOTICEDo not force the damper out of the upper tube if there is resistance This can cause separation of the piston from the damper tube
25 mm 2 mm
6
24 mm
7
24 mm
15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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15Motion Control Damper Removal
Remove the fork from the work stand and pour the suspension oil into Remove the fork from the work stand and pour the suspension oil into an oil panan oil pan
Clamp the fork into the work standClamp the fork into the work stand
Thread the bottom bolt onto the rebound damper shaft and push the Thread the bottom bolt onto the rebound damper shaft and push the shaft into the upper tubeshaft into the upper tube
Remove the retaining ring Remove the retaining ring
Pull the rebound shaft to full extension Remove the rebound damper Pull the rebound shaft to full extension Remove the rebound damper and seal head Remove the bottom bolt if installedand seal head Remove the bottom bolt if installed
SIDREBABLUTO Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
8
9
Pick Retaining Ring Pliers
10
11
16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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16Charger Damper Removal
C h a r g e r D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
CrownCrown Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position
Hollow Bottom Leg 5 mm 5 mm
1
Mallet 5 mm
Hollow Bottom Leg Mallet and 5 mm 5 mm
2
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
17Charger Damper Removal
CrownCrown Remove the knob retaining screw and remove the compression Remove the knob retaining screw and remove the compression adjuster knobadjuster knob
RCT3 Only RCT3 Only Remove the low speed adjuster knob screw Remove the Remove the low speed adjuster knob screw Remove the low speed adjuster knob low speed adjuster knob
Remove the knob retaining nut Remove the compression adjuster Remove the knob retaining nut Remove the compression adjuster knobknob
RemoteRemote Loosen the set screw and remove the cable spool and cable Loosen the set screw and remove the cable spool and cable stop collarstop collar
2 or 25 mm RC 4 mm
3
RCT3 2 mm RCT3 6 mm
4
RL R 25 mm RL R
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
18Charger Damper Removal
Unthread the damper top cap and remove the damper assemblyUnthread the damper top cap and remove the damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
Top CapCassette Tool 24 or 30 mm
5
RL Top CapCassette Tool RL R 24 or 30 mm
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
19Charger 2 and 21 Damper Removal
C h a r g e r 2 a n d 2 1 D a m p e r R e m o v a l
The procedure for removing the damper is similar across RockShox front suspension forks Your forks knobs bolts and damper may appear different from the pictures Consult your forks service manual for more detailed instructions
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower leg Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of the lower on the damper side The bolt head should contact the bottom of the lower leg leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Hollow Bottom Leg 5 mm
1
Mallet 5 mm
Mallet and 5 mm 5 mm
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
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These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
20Charger 2 and 21 Damper Removal
Crown adjust Crown adjust Turn the lockout adjuster knob to the open unlocked Turn the lockout adjuster knob to the open unlocked positionposition
Crown adjustCrown adjust Remove the knob retaining screw Remove the knob retaining screw
RLC RLRC
2
RCT3 RC2
RLC 2 mm RL 2 or 25 mm
RC2 RCT3 2 mm RC 2 mm
3
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
21Charger 2 and 21 Damper Removal
Remove the low speed compression and lockout knob from the top Remove the low speed compression and lockout knob from the top cap cap
Remove the compression mode adjuster knobRemove the compression mode adjuster knob
RemoteRemote Remove the low speed compression adjuster knob and spool Remove the low speed compression adjuster knob and spool assembly Remove the cable stop collar Keep the parts together and assembly Remove the cable stop collar Keep the parts together and set asideset aside
Remove the cable stop collar Remove the spool Remove the cable stop collar Remove the spool
RLC RCT3
RC2RCT3 RCRL
3
2 or 25 mm RLC RRCT R 2 mm
RL RRC R 2 mm RL RRC R 2 mm
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
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These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
22Charger 2 and 21 Damper Removal
Remove the damper assemblyRemove the damper assembly
Clean the upper tube threadsClean the upper tube threads
SID Continue with Charger Race Day Damper or Charger 2 Damper Installation
PIKEREVELATIONLYRIKYARI Continue with Charger 21 Damper Installation
4
CassetteTop Cap Tool 24 mm
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
23BoXXer Charger Damper RC Removal
B o X X e r C h a r g e r D a m p e r R C R e m o v a l
Loosen the damper side bottom bolt 3 to 4 turnsLoosen the damper side bottom bolt 3 to 4 turns
Strike the damper side bottom bolt to dislodge the shaft from the lower Strike the damper side bottom bolt to dislodge the shaft from the lower leg on the damper side The bolt head should contact the bottom of leg on the damper side The bolt head should contact the bottom of the lower leg the lower leg
Remove the damper side bottom bolt Clean it and set it aside Remove the damper side bottom bolt Clean it and set it aside
Turn the compression adjuster knob counter-clockwise to the full open Turn the compression adjuster knob counter-clockwise to the full open position until it stopsposition until it stops
Remove the retaining screw and remove the knobRemove the retaining screw and remove the knob
1
5 mm Mallet
1
Mallet 5 mm
2
25 mm
3
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
24BoXXer Charger Damper RC Removal
Unthread the damper top cap and remove the Charger Damper RC Unthread the damper top cap and remove the Charger Damper RC assembly assembly
Clean the upper tube threadsClean the upper tube threads
BoXXer Continue with Charger RC2 Damper Installation
4
Top CapCassette Tool
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
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These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
25Charger Race Day Damper Removal
C h a r g e r R a c e D a y D a m p e r R e m o v a l
Use a 10 mm socket and extension to remove the rebound nut on the Use a 10 mm socket and extension to remove the rebound nut on the damper sidedamper side lower leg lower leg
Insert a 5 mm hex wrench into the rebound damper shaft Strike the Insert a 5 mm hex wrench into the rebound damper shaft Strike the wrench to dislodge the shaft from the lower leg Push the shaft into the wrench to dislodge the shaft from the lower leg Push the shaft into the lower leg lower leg
RLRL Turn the lockout adjuster knob to the closed position Loosen the Turn the lockout adjuster knob to the closed position Loosen the screw screw
RL RL Turn the lockout adjuster knob to the open unlocked position Turn the lockout adjuster knob to the open unlocked position Remove the knobRemove the knob
1
10 mm Mallet and 5 mm
5 mm Damper Side
2
RL Locked 2 mm
RL Unlocked RL
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
26Charger Race Day Damper Removal
RL RRL R Loosen the remote spool screw and remove the remote spool Loosen the remote spool screw and remove the remote spool
RL RRL R Loosen the cable stop collar screw and remove the cable stop Loosen the cable stop collar screw and remove the cable stop collar collar
Remove the Charger Race Day Damper assembly Remove the Charger Race Day Damper assembly
Clean the upper tube threads Clean the upper tube threads
SID Continue with Charger Race Day Damper Installation
RL R 2 mm
RL R 15 or 2 mm
3
24 mm
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
27Damper Upgrade Installation
D a m p e r U p g r a d e I n s t a l l a t i o n
C h a r g e r R a c e D a y D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger Race Day Damper into the damper side upper tube Install the Charger Race Day Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLRL Set the lockout adjuster knob on the top cap pin so the screw is Set the lockout adjuster knob on the top cap pin so the screw is facing toward the steerer tube in the unlocked position facing toward the steerer tube in the unlocked position
Rotate the lockout adjuster knob so the screw is facing forward in the Rotate the lockout adjuster knob so the screw is facing forward in the lockout position Tighten the screw lockout position Tighten the screw
1 1
2
3
24 mm 28 Nm (250 in-lb)
RL 2 mm 03 Nmiddotm (3 in-lb)
4
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
28Charger Race Day Damper Installation
RL R Install the cable stop collar with the housing guide oriented within the 10 degree range in the diagram
NOTICEThe cable stop collar and remote cable housing must clear the lower leg arch when the fork is fully compressed
Tighten the set screwTighten the set screw
Install the remote spool with the cable set screw oriented within the Install the remote spool with the cable set screw oriented within the 20 degree range in the diagram20 degree range in the diagram
Tighten the set screwTighten the set screw
Continue with Lower Leg Assembly
5
RL R
asymp10deg
15 or 2 mm 03 Nmiddotm (3 in-lb)
RL R RL R
asymp20deg
2 mm 03 Nmiddotm (3 in-lb)
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
29Charger 2 Damper Installation
C h a r g e r 2 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 2 Damper into the damper side upper tube Install the Charger 2 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
RLC RLC Install the lockout adjuster knob onto the top cap so the knob Install the lockout adjuster knob onto the top cap so the knob rotates from open to closed rotates from open to closed
Install the low speed compression knob onto the lockout knob Install Install the low speed compression knob onto the lockout knob Install and tighten the retention screw and tighten the retention screw
1 1
2
Top CapCassette Tool
28 Nm (250 in-lb) 24 mm 28 Nm (250 in-lb)
3
4
2 mm 1 Nm (9 in-lb)
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
30Charger 2 Damper Installation
RLC R RLC R Install the cable stop collar with the cable guide in the forward Install the cable stop collar with the cable guide in the forward position position Install the remote spool onto the hex adjuster with the cable Install the remote spool onto the hex adjuster with the cable set screw oriented within the 87deg range zone set screw oriented within the 87deg range zone
Install and tighteInstall and tighten the low speed compression knob screw n the low speed compression knob screw
Hand tighten the cable stop collar bolt and then tighten itHand tighten the cable stop collar bolt and then tighten it
NOTICEDo not overtighten the cable stop collar bolt Overtightening the bolt may result in damage to the remote top cap and cause the cable to rubshaft end shaft end
Continue with Lower Leg Assembly
87˚
2 mm 1 Nm (9 in-lb)
5
2 mm 05 Nmiddotm (4 in-lb)
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
31Charger 21 Damper Installation
C h a r g e r 2 1 D a m p e r I n s t a l l a t i o n
Clean the inside and outside of the upper tubeClean the inside and outside of the upper tube
Install the Charger 21 Damper into the damper side upper tube Install the Charger 21 Damper into the damper side upper tube
Install the top cap and tighten Install the top cap and tighten
1 1
2
Top CapCassette Tool 28 Nm (250 in-lb)
3
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
32Charger 21 Damper Installation
RCT3RCT3 Install the compression mode adjuster knob onto the top cap Install the compression mode adjuster knob onto the top cap with the tab in the forward unlocked positionwith the tab in the forward unlocked position
RC2RC2 Install the high speed compression adjuster knob Install the high speed compression adjuster knob
RC2 RCT 3RC2 RCT 3 Install the low speed compression adjuster knob onto the Install the low speed compression adjuster knob onto the hex adjuster rodhex adjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
RCT3
4
RC2
RCT3 2 mm 12 Nmiddotm (10 in-lb)
RCT3 2 mm 12 Nmiddotm (10 in-lb)
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
33BoXXer Charger Damper RC2 Installation
B o X X e r C h a r g e r D a m p e r R C 2 I n s t a l l a t i o n
Push the rebound damper shaft in to leave room to inject oil into the Push the rebound damper shaft in to leave room to inject oil into the lower leg Install the Charger 2 Damper assembly into the damper side lower leg Install the Charger 2 Damper assembly into the damper side upper tube Thread the top cap into the upper tubeupper tube Thread the top cap into the upper tube
NOTICETo prevent scratching the rebound damper shaft use your fingers to protect and guide the shaft as you install or remove the damper from the upper tube
Tighten the top capTighten the top cap
Top CapCassette Tool
1
2
Top CapCassette Tool 73 Nmiddotm (65 in-lb)
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
34BoXXer Charger Damper RC2 Installation
Install the high speed compression adjuster knobInstall the high speed compression adjuster knob
Install the low speed compression adjuster knob onto the hex Install the low speed compression adjuster knob onto the hex adjuster rodadjuster rod
Install and tighten the retaining screwInstall and tighten the retaining screw
Continue with Lower Leg Assembly
3
2 mm 12 Nmiddotm (10 in-lb)
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
35Lower Leg Assembly
L o w e r L e g A s s e m b l yThe procedure for installing the lower leg is similar across RockShox front suspension forks Your forks knobs bolts and chassis may appear different from the pictures Consult your forks service manual for more detailed instructions
Clean the upper tubesClean the upper tubes
Proceed to Proceed to step 5step 5 if the lower leg is installed if the lower leg is installed
Apply grease to the inner surfaces of the wiper sealsApply grease to the inner surfaces of the wiper seals
Wiper seals may already be greased from the factory Wiper seals may already be greased from the factory Do not apply extra grease to seals that already have Do not apply extra grease to seals that already have grease on themgrease on them
Install the jounce bottom-out bumper and bottom cup on the air spring Install the jounce bottom-out bumper and bottom cup on the air spring shaft if necessaryshaft if necessary
1
2
RockShox Dynamic Seal Grease
3
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
36Lower Leg Assembly
Slide the lower leg onto the upper tube enough to engage the upper Slide the lower leg onto the upper tube enough to engage the upper bushing with the upper tubebushing with the upper tube
NOTICEMake sure both wiper seals slide onto the tubes without folding the outer lip of either seal
The inside bottom of the lower leg should not contact the spring or The inside bottom of the lower leg should not contact the spring or damper shafts A gap between the shaft ends and the lower leg bolt damper shafts A gap between the shaft ends and the lower leg bolt holes should be visibleholes should be visible
Position the fork at an angle with the lower leg bolt holes oriented Position the fork at an angle with the lower leg bolt holes oriented upward upward
Angle a syringe fitting in each lower leg bolt hole so the fluid will only Angle a syringe fitting in each lower leg bolt hole so the fluid will only contact the inside of the lower leg contact the inside of the lower leg
Inject the suspension oil into each lower leg through the lower leg bolt Inject the suspension oil into each lower leg through the lower leg bolt holehole
If the lower leg was not removed inject suspension oil into the damper If the lower leg was not removed inject suspension oil into the damper side onlyside only
Consult the Consult the Front Suspension Oil Air Coil and Token Specification Front Suspension Oil Air Coil and Token Specification Chart Chart at at sramcomservicesramcomservice for fork oil volumes for fork oil volumes Use the oil weight and Use the oil weight and volume for your fork model and yearvolume for your fork model and year
NOTICEDo not exceed the recommended oil volume per leg as this can damage the fork
Slide the lower leg assembly toward the crown until it stops Slide the lower leg assembly toward the crown until it stops
Verify each shaft is centered and seated in the lower leg shaftbolt Verify each shaft is centered and seated in the lower leg shaftbolt hole and no gap is visible between the lower leg and the shaft endhole and no gap is visible between the lower leg and the shaft end
4
5
Volume Varies
6
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
37Lower Leg Assembly
Charger Race Day Damper OnlyCharger Race Day Damper Only Use a 5 mm wrench to guide the Use a 5 mm wrench to guide the shaft through the damper side bolt hole as you install the lower shaft through the damper side bolt hole as you install the lower leg Pull the damper shaft through the bolt hole so the threads are leg Pull the damper shaft through the bolt hole so the threads are exposedexposed
Charger Race Day Damper Charger Race Day Damper Install the crush washer into the rebound Install the crush washer into the rebound adjuster nut Install and tighten the rebound adjuster nut onto theadjuster nut Install and tighten the rebound adjuster nut onto the damper sidedamper side shaft of the lower leg shaft of the lower leg
Install the black bottom bolt into the spring side shaft of the lower leg Install the black bottom bolt into the spring side shaft of the lower leg Install the hollow bottom bolt into the damper side shaft of the lower Install the hollow bottom bolt into the damper side shaft of the lower legleg
If the lower leg was not removed install the hollow bottom bolt into If the lower leg was not removed install the hollow bottom bolt into the damper side shaft of the lower leg the damper side shaft of the lower leg
7
Charger Race Day Damper 5 mm Charger Race Day Damper
10 mm Damper Side 10 mm 4 Nm (35 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
5 mm 32 mm 68 Nmiddotm (60 in-lb) 35 mm 73 Nmiddotm (65 in-lb)
8
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
38Lower Leg Assembly
Install the rebound damper knob Install the rebound damper knob
Tighten the set screw if present Tighten the set screw if present
Do not over-tighten the set screw Over-tightening will seize the Do not over-tighten the set screw Over-tightening will seize the adjuster knob and it will not turnadjuster knob and it will not turn
Clean the entire forkClean the entire fork
This concludes the Damper Upgrade on your RockShox suspension fork
Charger Race Day Damper Charger Race Day Damper
9
Hollow Bottom Leg Hollow Bottom Leg
25 mm 085 Nmiddotm (75 in-lb)
10
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These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
These are registered trademarks of SRAM LLC
11reg Accuwattreg Avidreg AXSreg Barreg Blackboxreg BoXXerreg DoubleTapreg Elitareg eTapreg Firecrestreg Firexreg Grip Shiftreg GXPreg Hammerschmidtreg Holzfellerreg Hussefeltreg i-Motionreg Judyreg Know Your Powersreg NSWreg Omniumreg Pikereg PowerCalreg PowerLockreg PowerTapreg Qollectorreg Quarqreg RacerMatereg Rebareg Rock Shoxreg Ruktionreg Service Coursereg ShockWizreg SIDreg Single Digitreg Speed Dialreg Speed Weaponryreg Spinscanreg SRAMreg SRAM APEXreg SRAM EAGLEreg SRAM FORCEreg SRAM REDreg SRAM RIVALreg SRAM VIAreg Styloreg Torpedoreg Truvativreg TyreWizreg Varicrankreg Velotronreg X0reg X01reg X-SYNCreg XX1reg Zed techreg Zippreg
These are registered logos of SRAM LLC
These are trademarks of SRAM LLC10Ktrade 1Xtrade 202trade 30trade 35trade 302trade 303trade 404trade 454trade 808trade 858trade 3ZERO MOTOtrade ABLCtrade AeroGlidetrade AeroBalancetrade AeroLinktrade Aireatrade Air Guidestrade AKAtrade AL-7050-TVtrade Automatic Drivetrade Automatixtrade AxCadtrade Axial Clutchtrade BB5trade BB7trade BB30trade Bleeding Edgetrade Blipboxtrade BlipClamptrade BlipGriptrade Blipstrade Blutotrade Bottomless Tokenstrade Cage Locktrade Carbon Bridgetrade Centeratrade Charger 2trade Chargertrade Charger Race Daytrade Clickbox Technologytrade Clicstrade Codetrade Cognitiontrade Connectamajigtrade Counter Measuretrade DD3trade DD3 Pulsetrade DebonAirtrade Deluxetrade Deluxe ReAktivtrade Descendanttrade DFourtrade DFour91trade Dig Valvetrade DirectLinktrade Direct Routetrade DOT 51trade Double Deckertrade Double Timetrade Dual Flow Adjusttrade Dual Position Airtrade DUBtrade DZerotrade E300trade E400trade Eagletrade E-Connect4trade E-matictrade ErgoBladetrade ErgoDynamicstrade ESPtrade EX1trade Exact Actuationtrade Exogramtrade Flow Linktrade FR-5trade Full Pintrade Gnar Dogtrade Guidetrade GXtrade Hard Chrometrade Hexfintrade HollowPintrade Howitzertrade HRDtrade Hybrid Drivetrade Hyperfoiltrade i-3trade Impresstrade Jaws trade Jettrade Kagetrade Komfytrade Leveltrade Lyriktrade MatchMakertrade Maxletrade Maxle 360trade Maxle DHtrade Maxle Litetrade Maxle Lite DHtrade Maxle Stealthtrade Maxle Ultimatetrade Micro Gear Systemtrade Mini Blocktrade Mini Clustertrade Monarchtrade Monarch Plustrade Motion Controltrade Motion Control DNAtrade MRXtrade Noirtrade NXtrade OCTtrade OmniCaltrade OneLoctrade Paragontrade PC-1031trade PC-1110 trade PC-1170trade PG-1130trade PG-1050trade PG-1170trade Piggybacktrade Poploctrade Power Balancetrade Power Bulgetrade PowerChaintrade PowerDomeXtrade Powered by SRAMtrade PowerGlidetrade PowerLinktrade Power Packtrade Power Splinetrade Predictive Steeringtrade Pressfittrade Pressfit 30trade Primetrade Qalvintrade R2Ctrade RAILtrade Rapid Recoverytrade ReAktiv ThruShafttrade Recontrade Reverbtrade Revelationtrade Rikentrade Risetrade ROAMtrade Roller Bearing Clutchtrade RS-1trade Sag Gradientstrade Sawtoothtrade SCT - Smart Coasterbrake Technology Seekertrade Sektortrade SHIFTtrade ShiftGuidetrade Shortytrade Showstoppertrade SIDLuxetrade Side Swaptrade Signal Gear Technologytrade SLtrade SL-70trade SL-70 Aerotrade SL-70 Ergotrade SL-80trade Sl-88trade SLC2trade SL SPEEDtrade SL Sprinttrade Smart Connecttrade Solo Airtrade Solo Spoketrade SpeedBalltrade Speed Metaltrade SRAM APEX 1trade SRAM Force 1trade SRAM RIVAL 1trade S-seriestrade Stealth-a-majig trade StealthRingtrade Super-9trade Supercorktrade Super Deluxetrade Super Deluxe Coiltrade SwingLinktrade TaperCoretrade Timing Port Closuretrade Tool-free Reach Adjusttrade Top Loading Padstrade Torque Capstrade TRXtrade Turnkeytrade TwistLoctrade VCLCtrade Vividtrade Vivid Airtrade Vuka Aerotrade Vuka Aluminatrade Vuka Bulltrade Vuka Cliptrade Vuka Fittrade Wide Angletrade WiFLitrade X1trade X5trade X7trade X9trade X-Actuationtrade XCtrade X-Dometrade XDtrade XD Driver Bodytrade XDRtrade XG-1150trade XG-1175trade XG-1180trade XG-1190trade X-Glidetrade X-GlideRtrade X-Horizontrade XLoc Sprinttrade XXtrade Yaritrade Zero Losstrade
Specifications and colors subject to change without prior noticecopy 2020 SRAM LLC
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande
ASIAN HEADQUARTERS SRAM Taiwan No 1598-8 Chung Shan Road Shen Kang Hsiang Taichung City Taiwan ROC
WORLD HEADQUARTERS SRAM LLC 1000 W Fulton Market 4th Floor Chicago Illinois 60607 USA
EUROPEAN HEADQUARTERS SRAM Europe Paasbosweg 14-16 3862ZS Nijkerk Niederlande