Upgrade your ride with the RockShox Charger 3.0 to 3.1 Damper Upgrade Kit. This kit transforms your existing Charger 3 dampers into the new Charger 3.1, offering a wider damping range. Whether you're tackling tough trails or smooth paths, the RockShox Charger 3.0 to 3.1 Damper Upgrade Kit provides the traction, control, and comfort you need. It reduces compression damping in the Low Speed Compression open position and adds support in the High Speed Compression closed position. Features Upgrades existing Charger 3 dampers to Charger 3.1 Includes piston assembly, tuning shims, and Head Valve Tool Compatible with Pike C1+(2023+), Lyrik D1+(2023+), and ZEB A1+(2021+) Charger 3 dampers Adjustments for High Speed Compression, Low Speed Compression, and Low Speed Rebound