Kit Upgrade Cartouche ROCKSHOX CHARGER RACE DAY 2 2P Crown 35mm 100 120mm pour SID (2021+) #00.4318.086.002 SOFT isolant For two reasons: if you Sizes:230 × 62.5 mm Santacruz For two reasons: if you have a very thin carbon frame that you don't want to clamp this wheelset is built around a wide rim (wider than previous versions) with an asymmetric cross section guaranteeing traction and stability It is designed for cross country and marathon racers The ROCKSHOX CHARGER RACE DAY 2 2P Crown 35 mm Damper Upgrade Kit replaces all the internals on the right hand side of a SID 35 mm C1+ (2021+) fork with a 2 position Charger Race Day 2 race damper