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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.