Hollow bicycle hub axles (F) for quick release, with spacer, made for both wheels: rear 3/8 x 136/138 in a set of 6 and front 3/8" x 102" / 108 in a set of 5. The hollow shaft takes a quick-release skewer, so the wheel can be fitted and removed by hand. Both silver threaded axles carry cones and lock nuts at each end, the rear one longer with a spacer stack. Finish is BNP or ZP. Catalogue code: Hub Axle (F)