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. Lightweight, high-performance chain, at a great price. Professional O-ring chain designed for street, off road and ATV. Average tensile strength of 8,000 pounds. Wear life index: 2,350 (standard chain = 100). Rated up to a maximum displacement of 500cc. Weight (kgs/100 links) = 1.502 (15.02 grams / link). Includes a clip-style master link.