The Rockshox Charger 2.1 RC2 Damper Upgrade Kit allows you to optimize your suspension and improve the handling of you bike. The RC2 includes a 2-position compression adjust for high and low speed. The damper has been designed specifically to reduce hand fatigue and fight unwanted friction. Includes complete right side internals. Compatibility Rockshox Lyrik/Yari (A1+/2016+) Rockshox Pike 29+ (B1+/2017+) Specifications: Positions: 2 (High/Low Speed) Color: Black with Red