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: 16.85mm. Maximum wear life index: 100. Maximum tensile in pounds/feet: 4500 pounds/feet. Master link type: Clip. Weight in pounds per 100 links: 1.85 pounds. Max cc: 125cc street/80cc off-road. 24.0 links per foot. 12.7mm pin to pin center.