Magnum O-Ring Chain (OR)
Magnum offers a quality, pre-stretched, solid roller chain at an inexpensive price. All Magnum chains are ISO-9002 Certified. For motorcycles originally equipped with O-ring chain. 520 Tensile Strength 7,800 lbs.. Gold & Includes Clip style connecting link with 428 OR and 520 ORC Chain. 520 OR has press fit masterlink.