RK Racing Chain M420-48 (420 Series) 78-Links Standard Non O-Ring Chain with Connecting Link 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 Maximum tensile in pounds/feet: 4200 pounds/feet; weight in pounds per 100 links: 1.6 pounds; Max cc: 80cc Street/80cc Off-Road Master link type: Clip; 24.0 links per foot; 12.7mm pin to pin center