The 520MXR2 Motocross chain is constructed of 100% heat treated components, featuring Sunstar's exclusive 'TripleStar' treated ultra hard pins. It also has seamless roller & bushing construction, with deep gold plated inner & outer side plates. Clip type connecting link included. 8,600lbs tensile strength rating for bikes 500cc & under. Superlight design weighing less than 3.1 lbs. per 100L. Used by top racers & teams worldwide in supercross, motocross, arenacross & other off road segments.
