Accessories 31.8 34.9mm Clamp Bike Chain Guide Bicycle Chain guide Chain Stabilizer Tensioner

Label:Yes Size: As Picture Package includes:1 pc chain guide Color: Black Material: Nylon plus fiber + Saigang engineering plastic Weight: about 45.3g Spec: 31.8MM-34.9MM mount / E type mount

Features: It can effectively prevent the chain from falling off and the jumping of the chain. It is used for a single-piece flywheel, and the running is more stable. The installation is simple and convenient. It can be adjusted with a wrench without disassembling the crank.