Bicycle skewer adapter with quick release with through axle from 12 to 9 mm, red Description: This product converts a hub with a 12 mm through axle into a standard 9 mm quick release. installation, just insert the adapter into the through axle hub. Both sides of the product are equipped with rubber, which is not easy to shake after installation. It plays a protective role. In addition, 4 spare rubber rings. The barrel axis of the barrel shaft can be converted into an ordinary set of wheels with a quick release. CNC machining. High precision works well. Lightweight aluminum alloy. Specification: Material: Aluminum Alloy Specifications: 142mm/5,59 inch Size: 160x12x12mm / 6,30x0,47x0,47 inch For detailed size information, see picture. Color: Red Color: Black The package includes: 1 piece. Bicycle hub adapter with through axle 4 pieces spare rubber rings