Rock Shox Charger 3. 1 RC2 Damper Upgrade Kit The Charger 3. 1 RC2 Piston Kit upgrades existing Charger 3 dampers to the NEW Charger 3. 1. With increased damping range Charger 3. 1 RC2 is primed to take on any trail. Less compression damping in the Low Speed Compression open position and additional support in the High Speed Compression closed position gives you the traction control and comfort you need to charge dicey lines all day. Features Upgrades existing Charger 3 dampers to Charger 3. 1Includes piston assembly tuning shims and Head Valve Tool Compatible with Bo XXer D1+ (2024+) Pike C1+(2023+) Lyrik D1+(2023+) and ZEB A1+(2021+) Charger 3 dampers MFG#: 00. 4318. 096. 000 | Rockshox | Charger 3. 1 Rc2 Damper Piston Upgrade Kit Boxxer D1+ Zeb A1 + Lyrik D1+ Pike C1+