Compared to previous RockShox dampers, Charger2 provides a wider range of low speed compression adjustment in the Open mode, with a more usable Pedal setting that excels on rolling trails and a lighter feel at the top cap. The Charger2 firm setting on Pike and Lyrik has be re-tuned, and remote options with OneLoc provide on-the-fly access to the Firm mode and are an excellent match with RockShox Deluxe, Super Deluxe and Super Deluxe Coil remote rear shocks. RockShox Charger2 Damper Upgrade Kit Damper, Compression UPC: 710845802744