FOX Air Shaft Assembly 36 160 SE F PE P 21 Shackle Width 3.5 TechWALL features an advanced gravel TechWALL features an advanced gravel casing with special fabric reinforcements and thicker layers of rubber in specific areas of the tire with a cut resistant 120tpi fabric all over the perimeter while still offering a supple ride Designed for trail and enduro riding the Bomber Z1 features the FIT GRIP damper FLOAT EVOL air spring and 36mm chassis to maximize traction and control list style position:outside }FOX Air Shaft Assembly 36 160 SE F PE P 21