RKM series chains are made in Malaysia with Japanese steel, meeting all Japanese specs with two-point riveted pins and curled bushings. Pre-stressed and pre-stretched for better performance with fewer adjustments, they outperform most of the competitions heavy-duty chains. Specifications: Pin length in mm: 18.80mm. Maximum wear life index: 200. Maximum tensile in pounds/feet: 7700 pounds/feet. Master link type: Clip. Weight in pounds per 100 links: 3.65 pounds. Max cc: 400cc street/NA-off-road. 19.2 links per foot. 15.875mm pin to pin center.