Fox 36 Air Shaft Assembly 2021+Time for a refresh! After many hours of ride time on your Fox 36 suspension fork, the time will come for a bit of service. The Fox 36 Air Shaft Assemby is designed to replace the worn air shaft on your MY2021+ model year fork, or to upgrade your existing fork to a longer travel (if compatible). This air shaft assembly comes with seals pre-installed, and is a quick and easy way to refresh or upgrade your fork with minimal wrenching involved. Have questions about compatibility or upgrades? Give our Gear Advisor Pro team a call! Features Fits MY2021/22 Fox 36 suspension forks Legendary Fox quality for reliable function and a precise fit Includes seals pre-installed for convenience Specifications Manufacturer Part Numbers820-02-575-KIT (130mm) 820-02-574-KIT (140mm) 820-02-573-KIT (150mm) 820-02-572-KIT (160mm) 820-02-586-KIT (170mm) | Fox Racing Shox | 36 Air Shaft Assembly 2021+ 2021+ 36 130Mm Float