Kit Piston Upgrade ROCKSHOX DebonAir C1 140 mm YARI A1+ (2016+) #00.4020.572.004 Bon Plan Made from very high quality Their robust and ergonomic Made from very high quality thermally treated and hardened steel for years of workshop use Its construction combines a light and robust shell blending carbon and nylon with a slightly denser type 2 foam around the sit bone area for better support in an upright position providing more confidence in the steepest and most committing sections thanks to a modified air chamber balancing point will allow you to replace your air piston with the latest evolution developed by the brand on the 2021 models