TC Bros 530H Heavy Duty Motorcycle Chain The TC Bros 530H Heavy Duty Motorcycle Chain comes with a master link, so just cut to length and you are ready to go. Quality engineered for strength and durability, all chains are pre-stretched and shot-peened. They have been measured for precision tolerances and perfect balance in every pitch. Complete with oiling hole in the bushing to insure proper lubrication. Heavy Duty chains have Quad Staked riveted pins for added strength. These chains are long enough to work with both the Xs650 and Cb750 hardtail frames. Tensile Strength - 7,480 lbs. Features: 530 size 120 links O-ring construction Master link included