ITEM NAME:Muqzi Mountain Bike Road Bike 7075 Aluminum Alloy Quick Release Conversion V4J7 Muqzi Mountain Bike Road Bike 7075 Aluminum Alloy Quick Release Conversion V4J7 100% brand new and high quality! Easy to install,which is convenient to use,Quick release High intensity,durable,practical. Excellent for bicycle repair. Color: Red Material: aluminum alloy Size: 135mm Package Contents: 1*Conversion Shaft 4*Spare rubber ring.Excellent for bicycle repair. 4 Spare rubber ring. Material: aluminum alloy. 1 Conversion Shaft. Easy to install,which is convenient to use,Quick release.