The rear derailleur bump stopper improves rider focus by silencing derailleur noise in rough conditions. This high-durometer urethane bumper prevents chain slap by absorbing impacts between the B-link and the rear derailleur B-tension adjustment screw.
*1: Bump stopper Less hitting noise
THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE.
Click "I agree" or any link to accept these cookies. To learn more about how we use cookies, read our privacy policy.