This Boxxer Air Spring Kit is perfect for upgrading any Boxxer D1 to the Ultimate spec! Pair this air spring with the Boxxer Charger 3 damper with Buttercups for the most current and capable downhill fork from RockShox!
Not compatible with any previous generation 35mm stanchion RockShox Boxxer. Only compatible with 2024+ RockShox Boxxer D1+.RockShox, Air Spring Upgrade Kit – Debonair+ W/ Butter Cup 180mm (Includes Air Shaft Assembly, Buttercup, Seal Head) – 38mm Boxxer D1(2024+)