Upgraded from the DID 520 VX2 chain, the DID 520 VX3 X-Ring chain fits a wider range of street, ATV, or off-road applications up to 800cc. New "Direct Energy Transfer" gives you amazing throttle response due to D. I. D. State-of-the-art technology to increase the chain's rigidity. Features greatly improved seal performance due to increased X-ring retention and durability. Average tensile strength of 8, 210 pounds, Weight (kgs/100 links) = 1. 52 (3. 35 pounds). . Includes a clip-style master link.