The patented RWS wheel mounting system from DT Swiss is a stiffer, safer and more user friendly option than conventional quick releases. FEATURES: Ratcheting system tightens skewers with turns rather than using a cam Lever can be rotated into an ideal position after tightening Alloy axle and lever SPECS: Color: Black Thread Pitch: 1.5 Overall Length (mm): 171 Axle Diameter (mm): 12 Thread Length (mm): 13 Over Locknut (mm): 142