Description: This product converts 12mm thru-axle hub to standard 9mm quick release. Tool-free installation, just insert the adapter into the thru axle hub. Both sides of the product are provided with a rubber ring, which is not easy to be shaken after installation. It plays the role of protection. In addition, 4 spare rubber rings. The barrel axle of the barrel shaft can be converted into an ordinary bicycle quick release wheel set CNC machining High precision work well Aluminum alloy light weight. Specification: Material: aluminum alloy Specifications: 142mm or 5.60inch Size: 154x12x12mm or 6.06x0.47x0.47inch For detail size information, please refer to the picture. Color: Red Package Includes: 1 Piece Bike Thru Axle Hub Adapter 4 Pieces Spare Rubber Rings Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store