RK Racing Chain M520-116 520 Standard Chain, 116 Links

The RK Racing Chain M520-116 is a standard, non-sealed 520 motorcycle chain with 116 links. It features quad-rivet-staked pins, solid bushings, heat-treated and shot-peened components, and a clip-style master link. The source lists a tensile strength of 6,800 lb, an 18.5 mm maximum chain width, and a 250cc maximum rating for street or dirt use. It is described for low-displacement motorcycles that did not come equipped with sealed or heavy-duty chains.