Made of good quality Aluminum alloy, high strength, anti-rust, abrasion resistance, durable for long time use.Fine machining ensures precise fitment to your bike.Suitable for various kinds of bikes that have the same specification.Nice replacement for bike repair.Suitable for professional repairmen to repair bicycles.Specification:Colour:SilverMaterial:Aluminum alloyPackage Contents:5 * Bicycle Hub PawlsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.