Fox

36 SL Air Shaft Assembly - 2026, 140mm, FLOAT NA 3, 1.312" Bore, Dual Bushing Neg Plate

FOX 36 SL Air Shaft Assembly restores the smooth, responsive performance riders expect from their 36 series suspension fork. Built for precision and reliability, this 140mm FLOAT NA3 air shaft assembly features a 1.312-inch bore and dual bushing negative plate for efficient air spring function and improved small-bump sensitivity.

Ideal for routine service or tuning fork travel, this replacement part helps maintain consistent air spring performance, ensuring the fork feels fresh and controlled on every descent. Whether extending the life of a well-used fork or dialing in a new setup, the 36 SL Air Shaft Assembly delivers the same refined performance FOX forks are known for.

• Compatible with FOX 36 SL suspension forks
• 140mm travel setup for all-around trail and enduro performance
• FLOAT NA3 system for smooth, predictable air spring response
• 1.312-inch bore and dual bushing negative plate improve durability and air balance
• Designed for easy installation during routine fork service or travel adjustment