compatibility: specially designed, including X9, XO, X1, X01 and XX1. This adapter is an ideal choice for single-speed setting, ensuring and seamless performance with the existing crank system. High-quality material structure: made of high-strength aluminum alloy, this crank adapter combines durability and design. It can withstand the harsh test of mountain bike, and at the same time it has the least influence on the total weight of the bike. Easy installation: This crank adapter is easy to install and allows you to quickly upgrade your bicycle settings without professional help. Its user-friendly design ensures that you can install it in a few minutes and get back to the track faster. Enhance bicycle performance: By converting your GXP crank, this spider adapter optimizes your mountain bike gear, improves torque and speed, and obtains a better riding experience. The offset of 6 mm ensures the best chain arrangement and improves the overall efficiency. and fashionable : the adapter is anodized, which not only adds a fashionable and professional appearance to your bike, but also enhances the resistance of the material, ensuring that it can withstand various weather conditions and harsh use. Support crank:for X9/XO/X1/X01/XX1,Only for Signle Speed Easy to install, Light weight, 40g Colour:As Shown Material:Aluminum Alloy Package Contents: 1 * Dip claw 1 * teeth 4 * Dip nail Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.