The service life of O-Ring Chain is greatly depended on the wearing between the pin-shaftand 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 environmentssuch as the one bearing water, mud or dust. It is most suitable for high-speedrunning.Our  brand O-ring chain be recommend the no. 1 in Chinese chain association, berecommend to worldwide.

1) Model: 35,40,50,60,80,100,06B,08B,10B,12B,16B

2) Color available: Natural, Blue, Brown, Nickel,Color, Copper

3) Packing: Industry packing