Rock Shox Vivid Ultimate RC2T Rear Shock World Cup-proven. Trail-ready. The Rock Shox Vivid Ultimate RC2T is what happens when World Cup downhill performance meets the demands of modern enduro and E-MTB riding. The all-new Linear XL air spring delivers a coil-like feel throughout the stroke - supple off the top, supportive through the mid-stroke, and backed by Adjustable Bottom Out (ABO) for confident, controlled end-stroke performance. Engineered to work as a system with your fork, the redesigned RC2T damper's new main piston compression tunes deliver the mid-stroke support that big-travel bikes demand, while intuitive HSC/LSC adjusters and a numbered Compression adjuster make setup fast and easy to communicate. Bigger, more aggressive, and ready to push limits across enduro, E-MTB, and downhill platforms - the Vivid Ultimate RC2T redefines what a rear shock is capable of. Features New Linear XL air spring delivers a consistent, predictable, coil-like ride feel, tunable with easy-to-change bottomless tokens Redesigned RC2T damper provides a wide, usable range of Low Speed Compression (LSC) and High Speed Compression (HSC) adjustment without cross-talk between circuits Numbered Compression adjuster makes setup intuitive - start at "0" and dial in from there New base valve reduces IFP forces by 40%, making this the most supple shock in its class while maintaining consistent traction Main piston compression tunes matched to the Charger 3. 2 damper for cohesive, mid-stroke support front and rear Adjustable Bottom Out (ABO) offers a convenient dial with five compression settings to customize cushioning in the last 20% of travel Removable Rebound knob doubles as the HSC and ABO adjuster, streamlining the adjustment interface20 clicks of rebound adjustment with uniform rebound curves and a broad adjustment range for a consistent ride feel across a wide spectrum of rider weights E-Bike Approved construction for use across a wide range of platforms8x30 Bearing Adapter available for all standard eyelets as an upgrade kit SPECIFICATIONSDamper Type RC2T Adj. Hydraulic Bottom Out Spring Type Linear XL - Air Spring E-Bike Approved Yes Bottom Out Externally Adjustable Bottom Out | Rockshox | Shock Vivid Ultimate Rc2T Rear Shock 210X55 Stumpjumper Carbon Evo 2021+