One of the strongest wheel mounting systems around, the RWS Thru bolt has been proven reliable time and time again. This alloy axle RWS is available in 9mm fronts and 10mm rears. It is the perfect way to strengthen up and solidify an open drop out front fork and wheel combination as well as a standard drop out rear 135mm bike frame. Features: Works on most standard dropouts Adds rigidity to forks and rear ends AL 7075 axle and Alloy lever Up to 50% more clamping force than standard quick releases Ratcheting system tightens skewers with turns rather than cam Lever can be placed in an ideal position Weight: 70 g