D.I.D is the number one motorcycle chain in the world. D.I.D chains are used by factory races teams from all manufacturers in race series everywhere. The new "Direct Energy Transfer" gives you amazing throttle response due to D.I.D's state-of-the-art technology to increase the chain's rigidity. Fits a wider range of motorcycles. Greatly improved seal performance due to increased X-ring retention and durability. Average tensile strength of 8,210 pounds. Wear life index: 3,500 (standard chain = 100). Rated up to a maximum displacement of 800cc. Weight (kgs/100 links) = 1.52 (3.35 pounds). Includes a clip-style master link.