Material: Steel Polished Finish Shaft Length Front 128mm (Fits 100mm Hubs) Rear 165mm (Fits 135mm Hubs) Secured with 0.3 inch (8 mm) nut opposite the quick lever. (Quick release body diameter 0.7 inch (18 mm), nut height 0.2 inch (5 mm)); Depending on the shape of the frame end, the nut may fit the end of the frame.