Sunstar SS520SSR Oring Motocross Chain

The Sunstar SS520SSR is a sealed O-ring drive chain built for motocross up to 400cc. It features a strong 7,670 lbs tensile strength, heat-treated alloy steel construction, and special O-rings that hold grease inside to lower friction and increase chain life. Less Wear: O-rings keep dirt out and grease in.Strong Build: Heat-treated steel handles high stress well.Smooth Ride: Low friction design saves power. Weight : 1.90kg