This product is a very practical bike quick release spring. It is suitable for quick release shafts of hubs. It can be well fixed to the two quick release devices of the bike and acts as an elastic cushion to protect your bike and prevent quick release. The device is loose, creating a safer travel environment for you. The product is easy to use and has excellent texture, which will meet your needs very is a good bike replacement accessory. Features -Color: Silver -Material: Aluminum Alloy - Size: 1.50X1.30X1.30cm/0.59X0.51X0.51in -Mainly made of aluminum alloy material, and able to serve you for a long time. -The excellent manufacturing process makes it have good functionality and can replace old springs well. -With a simple application method, it won't take you too much time. -Designed to help you prevent the quick release device from loosening and make your riding safer. -The product is small in size, easy to carry and easy to use. Package list: 4 x Bike Spring