Description When you bought high end thru axle hub wheels and do not want to change your expensive 9mm dropout fork, this product will definitely save your bacon! This product converts 12mm thru-axle adapter to standard quick release. Tool-Free Installation Just insert the adapter into the thru axle hub and then you can secure the wheel using a standard quick release skewer. Feature - Color: Black. - Material: Aluminium Alloy. - Size: 15.4 x 1.2 x 15.4cm. - 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. - The barrel axle of the barrel shaft can be converted into an ordinary quick release wheel set CNC machining High precision work well Aluminum alloy light weight. - For better installation the use of small amount of grease around the O-rings will make installation easier. Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Package list: 1 x Accessories(Axle Hub Adapter) 4 x Ring