Two new O-Ring chains designed to be easy on the ATV and off-road enthusiasts pocketbook. The 520SO is constructed from high carbon alloy steel with Nitrile Butadiene O-rings, sealed lubrication and seamless(solid) rollers and bushings. The result is a long lasting, affordable O-ring chain. Use the SO on ATVs/Bikes up to 400cc. Use XSO on ATVs/Bikes larger than 400cc.

RK 520SO / 520XSO Chain 130 Link - Call for Current Price