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