DT Swiss RWS E-Thru Alloy Rear MTB Thru AxleThe RWS E-Thru allows the use of our ratchet wheelmounting system on a frame with E-thru dropouts. It will definitely ensure a solid and quick connection of the rear wheel and frame.Features: Width: 142mm Diameter Axle: 12mm Weight: 65g Axle System: 12mm E-thru Material: AluminiumBuy DT Swiss Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.