RK O-RING 520SO CHAIN 130L-CL STEEL 520SO-130

RK offers the best O-Ring chains in the industry.
All RK O-Ring chains are constructed of hi-carbon alloy steel for strength and durability.
RK utilizes Nitrile Butadiene O-Rings to seal in lubrication and deliver smooth power with non O-Ring drag or loss of horsepower.