Description: - 【Material】: Bike Nuts Rear Hub is made from 7075 aluminum alloy which ensures its strength. - 【Lightweight】: Road Replacement is not only aesthetically pleasing but also lightweight. - 【Quick Installation】: This bicycle crank fixing bolt chain wheel screw for replacement is installing easily. - 【Wide Application】: Bicycle Rear Axle M10 Nut fits the majority of M10 specification hubs the market, including fixed gear drum hubs, climbing bike drum hubs, non quick release mountain bike drum hubs and folding bikes. - 【Replacement Accessories】: Bike Wheel Hub Axle Nuts fits on your bikes axle without adding any unnecessary bulk or weight. Specification: - Material: aluminum alloy Size Chart: 2.18cmx1.2cm/0.86inchx0.47inch Package Includes: 2 Bike Nuts Rear Hub Note: Please allow slightly errors due to manual measurement.