Rock Shox Charger 3. 1 Damper Tune Assembly 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. Charger 3. 1 RC2's adjustment range is broader-with less compression damping in the LSC open position and additional support in the HSC closed position this gives you the traction control and comfort you need to charge dicey lines all day. Features 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 MFG#: 11. 4018. 136. 000 | Rockshox | Damper Tune Assembly Charger 3. 1 Boxxer D1+ Zeb A1+ Lyrik D1+ Pike C1+