Specifications

The service life of O-Ring Motorcycle Chain is greatly depended on the wearing between the pin-shaft
and the sleeve. The "O" ring will greatly reduce the wearing and thus prolongthe service life by 5 times. It is especially suitable for the adverse environments
such as the one bearing water, mud or dust. It is most suitable for high-speedrunning.Our YF brand O-ring chain be recommend the no. 1 in Chinese chain association, be
recommend to worldwide.

- Model: 420,428, 428H,520, 520H, 525, 525H, 530, 530H, 630, 630H

- Color available: Natural, Blue, Brown, Nickel, Copper

- Packing:Color box