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Rockshox Reverb

RockShox ReverbThe Rockshox Reverb is a family of hydraulic height adjustable seat posts knowns as "dropper posts".  It is a very popular post as it comes stock on many bikes bundled with SRAM drivetrain components.  The first Reverb dropper post was introduced in 2011.  Since then three main variations have been produced. 
The original Reverb format with an external hydraulic hose connected near the seat to a remote button mounted on the handlebar.
The Reverb Stealth which has a hose internal to the bike frame also mounted to a remote button or lever on the handlebar.
The Reverb AXS which features remote electronic actuation with no hoses or cables.

All Reverbs are built around an internal hydraulic cartridge which is air pressurised to give self-return to full height.  Each format has several generations starting at A1 and progressing through minor and major changes.  These model designations were often added later.

Features

Reverb dropper posts feature hydraulic cartridges which are also air pressurised for return force.  They are made in several different lengths and strokes for different size riders and bike frames.  Actuation is by a remote hydraulic button or lever on the handlebars for most, with the AXS model featuring wireless electronic actuation also by a lever on the handlebars.

The hydraulic remote is unique to the Reverb posts but aftermarket conversions exist to use cable actuators instead.  The hydraulic levers feature an adjuster barrel which is marketed as a speed control and works by changing the starting stroke of the slave cylinder in the post.
The foot of the post is designed so it can be removed for servicing of the sliding parts without opening the hydraulic cartridge.  Though in practice this is very difficult.
The post can be serviced at home with a well equipped home workshop.  Care must be taken as the cartridge contains 300 psi pressure and usually foamed up oil which is difficult to safely vent.  It should not be opened by anyone not experienced in shock or post service.

Service

Shockcraft can service and repair all of the Reverb Dropper Posts. 

To book your Reverb Dropper Post service please complete a dropper post service booking form:

Christmas & New Year Hours

Service jobs must reach us by Friday 3rd December 2021 to ensure we get them back to you before our Christmas/New Year shutdown.

Any service jobs received after this date will be holidaying in Central Otago until we reopen 12th January 2022.

Common Failure Points & Service Indicators

Air being sucked into the cartridge causing oil foaming, slurping and spongey lock function.
Internal oil leaks causing damper oil to leak out the bottom of the post.
Remote not working due to minor or major oil leaks.
Post not moving well in the cold due to oil type.
Damaged hydraulic shaft (scratches) causing oil loss.
Dry or contaminated sliding parts causing sticky movement.
Air and oil seals wearing and hardening due to age.
Corrosion of outer tube from carbon frames (use carbon paste)
Broken/kinked hydraulic hose.

These posts are all servicable and we have seal kits for all of them.  Metal parts supply can be difficult on some models.

Dropper Post Details & Identification:


Brand


Rockshox (SRAM)


Description


Hydraulic dropper post


Model
A1
(non-Stealth)


2011-2013


Identifiers


External hose (connects by saddle).
Silver speed dial on lever.
Silver cap on internal cartridge


Model
A1
Stealth


2011-2013


Identifiers


Internal hose (connects base of post)
Silver speed dial on lever.
Silver cap on internal cartridge


Model
A2
(non-Stealth)



2013-2016


Identifiers


External hose (connects by saddle).
Black speed dial on lever.
Black cap on internal cartridge


Model
A2
Stealth



2013-2016


Identifiers


Internal hose (connects base of post)
Black speed dial on lever.
Black cap on internal cartridge



Model
B1
Stealth



2017-19


Identifiers


Rockshox Decal around top of stanchion.


Model
C1
Stealth



2020+


Identifiers


reverb & size decal around top of stanchion
Red base connector.


Model
A1
AXS



2020+


Identifiers


Electronic housing fitted near saddle clamp


Fluids & Pressures:


Stock


Rockshox Hydraulic Fluid (10 cSt) in cartridge, hose and lever.
250psi in IFP
SRAM Butter (aka Slickoleum) for sliding parts.


Shockcraft Recommended


Motorex Corex 10 (10 cSt) in damper - vacuum bleed.
Slickoleum - Sliding parts
250psi in IFP.

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  1. Clamp block for servicing RockShox Reverb dropper Posts
    Designed and manufactured by Shockcraft
    CNC machined from aluminium for a solid clamp with no scratching
    4 clamp sizes - 7 to 31.6 mm

    Shockcraft Part Code:  SC-CLAMP-RS-REVERB-V1 Learn More
  2. 10 cSt Motorex Corex Hydraulic Oil
    2/3 the viscosity (thickness) of 2.5 wt fork oil
    For use when low damping or faster action are required
    Correct viscosity for Rockshox Reverb dropper posts & Shimano brakes.

    Learn More
  3. Full mineral oil bleed kit For all RockShox Reverb dropper posts Kit includes 120 ml hydraulic fluid, two syringes and tubes with M5 fittings SRAM Part Code: 00.4318.007.001 Learn More
  4. For use with newer Reverb trigger remotes
    Use in conjunction with the RockShox AM Bleed Kit for Reverb

    SRAM Part Code: 00.4318.012.005 Learn More
  5. Rockshox Oil Height Tool (SRAM)

    US$78.76

    Available on backorder

    Oil level adjuster (for checking and adjusting oil level). For Reverb, Motion Control Dampers and Turnkey Dampers. Learn More
  6. Remote service kit for Reverb 1X Remote & Reverb AXS (2020+)
    Includes boot, paddle & barb

    SRAM Part Code: 11.6818.048.000 Learn More
  7. Fits RockShox Reverb & Reverb Stealth B1 seatposts
    Includes replacement seal-head, foam ring, inner sealhead bushing, retainer clip & o-rings

    SRAM Part Code: 11.6818.031.000 Learn More
  8. RockShox Reverb 2010-12 Full Service Kit (SRAM)

    US$102.08

    Available on backorder

    Fits RockShox Reverb A1 seat posts (not Reverb Stealth)
    SRAM Part Code: 11.6818.003.010 Learn More
  9. Application: RockShox Reverb A1, A2 and B1 Stealth & Non-Stealth
    This comprehensive seal kit includes all o-rings that need replaced during a service

    PDF showing contents of internal seal kit is available here

    Learn More
  10. RockShox Reverb A2 200H 1 Year Service Kit (SRAM)

    US$116.23

    Available on backorder

    Fits Reverb A2 dropper posts
    Non stealth models with external hose.
    Includes new seal heads, bushings, internal seals and  upgraded IFP

    SRAM Part Code: 11.6818.031.005

    Learn More
  11. Rockshox Reverb & Stealth lower bushing.
    Single bushing with o-ring to fit Reverb Reverb Stealth dropper posts
    Installs into cartridge end-cap for service or repair.

    SRAM Part Code: 11.6818.035.007 Learn More
  12. Rockshox Reverb & Stealth cartridge end-cap.
    Coarse thread version for A1 and A2 models.
    Fits RockShox Reverb & Reverb Stealth up to 2016 (A1 & A2)
    Includes inner and outer seals with lower bushing.

    SRAM Part Code: 11.6818.017.020 Learn More
  13. Connectamajig collar
    Fits remotes for Reverb & Reverb Stealth dropper posts
    SRAM Part Code: 11.4318.005.000 Learn More
  14. Kit with internal seals, oil, grease, tools & lower bushing to service RockShox Reverb and Reverb Stealth seat posts

    Comprehensive internal seal kit includes all o-rings that need replaced during a service
    PDF showing contents of internal seal kit is available here
    Alternative to obsolete SRAM kit 11.6815.031.000
    A1 Reverb uses 9.1 x 3.5 mm o-ring for main shaft seal
    A2 & B1 replace 10x15 x4 mm cup seal on main shaft with 10 x 3 mm o-ring (included in kit) to reduce air intrusion

    Lower bushing is either genuine RockShox glacier type or IGUS, which needs trimmed to fit

    Click on related products below for detail on tools

    Learn More
  15. Fits RockShox Reverb Stealth seat posts
    Includes hose with crimped on Connectamajig fitting and barb fitting for the lever end
    Hose length 2000 mm

    For non Connectamajig posts use 11.6815.025.030

    SRAM Part Code: 11.6815.025.030 Learn More
  16. RockShox Reverb Dropper Post Service

    From: US$166.14

    To: US$415.40

    Full service pricing for RockShox Reverb dropper posts Excludes repair & repair parts Learn More
  17. Fits all Reverb & Reverb Stealth dropper posts
    SRAM Part Code: 11.6815.022.010 Learn More
  18. RockShox Reverb Hose Kit (SRAM)

    US$44.24

    Available on backorder

    Rockshox Reverb Hose Kit.
    Fits all RockShox Reverb & Reverb Stealth dropper posts
    Includes new hose, strain relief & barb end fittings
    Hose length 2000 mm

    For Connectamajig use 11.6815.025.030

    SRAM Part Code: 11.6815.025.010 Learn More
  19. SRAM Part Code: 00.6815.066.040 Learn More
  20. Replacement IFP for Rockshox Reverb dropper posts.
    Backwards compatible to all Reverb models, A1, A2, B1 and C1/AXS

    SRAM Part Code:  11.6818.053.001 Learn More
  21. Rockshox Reverb & Reverb Stealth hydraulic hose and lever.
    Includes push button remote & spare hose barb fittings.

    Hose end not compatible with Connectamajig.

    SRAM Part Code: 11.6815.026.050 Learn More
  22. Shockcraft equivalent oil to OEM RockShox Reverb oil is is Motorex Hydraulic Oil 10 cSt
    RockShox Reverb oil is used in RS Reverb dropper posts

    Motorex Hydraulic Oil 10 cSt is available from Shockcraft in 250 ml bottles
    Also available at a lower price in 1 & 4 litre refilled bottles

    Learn More
  23. Bleed fitting for Rockshox Reverb Seat Posts.
    Fits Stealth and Non-Stealth (external hose) versions
    Used for bleeding & setting oil depth for the internal hydraulics.

    SRAM Part Code: 00.6815.066.020

    Learn More
  24. Fits Reverb Stealth A2 dropper posts
    Includes new seal heads, bushings, internal seals and  upgraded IFP
    Replaces SRAM-11.6818.022.020

    SRAM Part Code: 11.6818.031.004 Learn More
  25. RockShox Reverb Stealth B1 400 Hour 2 Year Service Kit (SRAM)
    Includes bearing/seal heads for post and cartridge along with internal seals.

    SRAM Part Code:  11.6818.031.001 Learn More

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