RockShox Damper Upgrade Kit - Charger2.1 RC2 Crown Adjust Pike 27.5"/29" (B1/2018+) / Revelation (A1+35mm/2018+). The Charger 2.1 damper upgrade kit allows the fork to ride higher in the travel on compression while keeping the tires planted to the ground for unmatched control.Includes complete right side internals