Rock Shox Charger 3. 1 RC2 Damper Upgrade Kit Built with input from the world's best riders, Charger 3. 1 RC2 is a brilliant evolution of SRAM's proven damper platform. With increased damping range and High Speed Compression (HSC), Low Speed Compression (LSC), and Low Speed Rebound adjustments, Charger 3. 1 RC2 smooths out the roughest trails. Features Broader adjustment range with less compression damping in the LSC open position and additional support in the HSC closed position Includes full right-side internals including controls High Speed Compression, Low Speed Compression, and Low Speed Rebound adjustments Includes vibration-fighting Butter Cups to block 20% of trail chatter Compatible with Rock Shox FS-LYRK-SEL-D1, FS-LYRK-ULT-D1, FS-LYRK-ULT-D2SPECIFICATIONSFits Lyrik D1+ (2023+)00. 4318. 095. 001Fits Pike C1+ (2023+)00. 4318. 095. 000Fits ZEB A1+ (2021+)00. 4318. 095. 002 | Rockshox | Charger 3. 1 Rc2 Damper Upgrade Kit Fits Zeb A1+ (2021+)