RockShox

Super Deluxe Ultimate RC2T Rear Shock - D1

RockShox Super Deluxe Ultimate RC2T Rear Shock - D1 is a high-adjustability air rear shock built for modern trail, enduro, and aggressive downcountry bikes where setup range and controlled end-stroke behavior matter. The Linear XL air spring targets a predictable, consistent feel across the travel, while the updated bottom-out system helps riders stay composed when the trail gets fast and rough. A redesigned RC2T damper with clear, independent high- and low-speed compression controls makes tuning more straightforward without sacrificing support.

Key ride and tuning advantages for demanding trails

1. Linear XL air spring + o-ring tokens - Delivers a consistent, predictable spring curve that’s easy to fine-tune for support and feel without complicated teardown
2. RC2T damper with independent HSC/LSC - Provides a wide, usable adjustment range for chassis stability and traction, with minimal “cross-talk” between high- and low-speed compression changes
3. Charger 3.2-matched mid-stroke support - Updated main piston compression tune targets stronger mid-stroke hold-up for pumping, cornering, and staying higher in the travel on repeated impacts
4. End-stroke control with Jounce Bottom Out - Jounce Bottom Out bumper, plus optional Hydraulic Bottom Out that engages in the last 20% of travel, reduces harsh bottom-outs and keeps big hits more manageable
5. 15-click rebound adjustment - Broad, consistent rebound range helps riders dial control across varied rider weights and terrain speeds without feeling “all-or-nothing”
6. Lower IFP forces - New base valve claims a 40% reduction in IFP forces to improve small-bump sensitivity while maintaining traction through chattery sections

The Max PSI has been increased versus prior versions to better accommodate higher system weights, and the numbered compression adjuster supports quick, repeatable setup (start at “0” and add damping as needed). The removable rebound knob also functions as the HSC adjuster for a clean, service-friendly control layout.