A simple and very effective wheel skewer which is much quicker and easier to use than conventional CAM skewers. For use with mountain and road bikes. Well designed Double start thread tightens in 3/4 of a turn for fast wheel changes. Aerodynamic TULA fly nut. Size - Front 115mm/Rear 145mm (fits all rear axles)Lightweight - 55g (pair)Durable CNC 7075 Aluminum. No complex cams to wear or knock open. Attractive Available in black. Laser etched USE graphics.