Fox's 2021 36 Float air shaft now includes a top out bumper and a larger negative air chamber which provides for a smoother ride and better small bump compliance for when trails get rowdy.
130, 140, 150, 160, and 170mm air shafts fit Factory, Performance, and GRIP 27.5" / 29" 36 forks.170mm air shaft fits ONLY 27.5 or 29" LONG TRAVEL chassis 36 forks.
This air shaft is only for 2021 36 Float forks and is not backwards compatible with previous year models.