Function: 1 Made of high quality steel, strong and durable. 2. Quick release device is made of steel, durable and practical for most bikes. 3 Can be used to quickly repair mountain bikes. 4 Perfect for cyclists, your great choice. 5 Professional manufacturing, stable performance, high reliability. Specifications: Condition: 100% Brand New Item Type: Bike Hub Axle Material: Steel Color: As Picture Shown Rear Axle Length: Approx 145mm / 5.7in Quick Release Rear Axle Length: Approx. 6.9 inches (175 mm) / Weight: Approx. 5.6 oz (158 g); Package List: 1 x Hub Axle a>