D.I.D. 520 ERV-3 Series Exclusive Racing Chain

For 250-750cc Rally, 750cc Superbike and 250-750cc Endurance applications. Exclusively designed for mototcycle racing. Features gold colored plates. D.I.D. is the #1 chain manufacturer in the world. Solid rollers - Shot-peened parts - High cylindrical and roundness accuracy - Exacting tolerances provide low friction - Pre-stretched