ITEM NAME:Universal Bicyle 12mm to 9mm Thru Axle Hub Conversion Skewer Adapter Red 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 /5.60inch - Size: 154x12x12mm / 6.06x0.47x0.47inch - For detail size information, please refer to the picture. - Color: Red Package Included: 1 Piece Bike Thru Axle Hub Adapter 4 Pieces Spare Rubber Rings.This product converts 12mm thru-axle hub to standard 9mm quick release. - Tool-free installation, just insert the adapter into the thru axle hub. 1 Piece Bike Thru Axle Hub Adapter. - 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.