ProTaper 520MX1 Gold Series ChainPremium gold series Motocross chain. Lightweight, high strength chromoly construction for today's high powered 4 Strokes. 8,800 lbs. tensile strength for 125 to 530cc applications. The PT520 MX was designed to handle the increasing horsepower demands of today's 4 Stroke motorcycles; all components of the chain use a ProTaper exclusive heat treating process to aid in the life of and durability of the chain. Designed for 125cc to 530cc applications.
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