Preminum Material: chain gide is made of high-grade aluminum alloy and nylon material, and with heat treatment, CNC turning, anodizing, which is lightweight design, and long service life.
Wide Applicaption: Chain fits for threaded bottom bracket (press in type is not currently supported), bottom bracket chain is compatible with 30‑40T round tooth. Be sure to your size before ordering.
Reasonable Design: This mountain chain is used in pipes in frame to effectively prevent the chain from falling off and moving. And it can help improve the overall performance.
Easy : For the bottom bracket chain , the bottom bracket and crank must be removed before installation, and then installed on the bottom bracket. And it brings much convenience.
Wonderful Replacement: Bike chain is used for single piece flywheel, and it runs more smoothly. The bottom bracket and crank need to be removed before installation. And it is a wonderful upgrade replacement.