RK 630SO Standard O-Ring Motorcycle Chain - 102 Link

RK Racing Chains have been chosen by more FIM World Championship teams and AMA World Superbike/Super-Sport Teams than any other chain in the past 25 years! All RK Sealed O-ring type chains feature heat treated hi-carbon alloy steel components with seamless rollers and shouldered bushings, and are fitted with a variety of O-ring seal designs. All RK O-Ring seals are made from an advanced Nitrile Butadiene composite for maximum performance and wear life.