Rockshox Charger Damper 2. 1 RCT3 Upgrade Kit Ultimate Performance The new Rock Shox Charger Damper 2. 1 was designed to be a true trail machine. The damper has been completely redesigned to reduce hand fatigue and fight unwanted friction. The Charger 2. 1 comes in two different variations, the RCT3 and RC2. The RCT3 Damper includes a 3-position compression adjust (open/pedal/firm) with low speed compression and rebound. The RC2 Damper includes independent high and low speed compression adjust and rebound. You are currently looking at the RCT3 Damper. The new Charger 2. 1 Damper Upgrade will increase your confidence and control on every ride. Experience the trail in an entirely new way. Select your fork and wheel size from the drop down selection. Features Completely re-designed to reduce hand fatigue and fight unwanted friction The new Charger 2. 1 damper increases confidence and control over every trail SPECIFICATIONSManufacturer Item Numbers00. 4020. 170. 001 (Lyrik)00. 4020. 169. 001 (Pike 27. 5)00. 4020. 169. 002 (Pike 29)00. 4020. 169. 003 (Pike 27. 5 Boost)00. 4020. 169. 004 (Pike 29 Boost)00. 4020. 169. 000 (Pike 26" | Rockshox | Charger Damper 2. 1 Rct3 Upgrade Kit Lyrik/yari(A1-B1/2016+)/pike 29+(B1+/2017+)