Bicycle Chain Guide Chainring Protector Chain Clamp Protector 26T-36T 1x System MaterialThe bike chain guide is made of high quality nylon material, light, strong and durable. CompatibleIt is used for single disc sprocket, and the running is more stable. Fits bikes with 1x drive system. Effective Chain ProtectionThe chain guide effectively prevent the chain from falling off and jumping off the chain, avoid chain interference when riding perfectly. Easy InstallationOur chain guide is easy to install. It can be adjusted with a wrench without disassembling the crank. ApplicationBicycle accessories are useful tools for bicycle owners to improve their bicycles, It is simple and stylish, suitable for matching bicycles of various colors. Specification: Material: Nylon Size Chart: 4.6cmx3.5cmx2cm/1.81inchx1.38inchx0.79inch Package Includes: 1 Bike Chain Guide Note: Please allow slightly errors due to manual measurement and different monitors.