Brand New! Pro Taper Pro Series Forged 520MX Slim O-Ring Chain - 120 Links Using a newly developed manufacturing technique never-before seen in the off-road market, ProTaper Pro Series chains seamlessly integrate cold-forged pin collars into the outer chain plates. This exclusive design allows the outer chain plates to be slimmed, reducing weight, while maintaining an ultra-high tensile strength. The result is a premium, lightweight racing chain with unparalleled strength and durability. Features: Slim outer plates with cold-forged pin collars for high tensile strength (8,440 lbs.) and increased durability Thermally refined alloy steel pins for added reinforcement and improved impact load absorption Specially developed gold color surface coating reduces corrosion and delivers a factory look Perfectly matched to ProTaper RS Sprockets for maximum power output and extended chain & sprocket life Slim O-Ring Technology minimizes chain width, eliminating the clearance issues of competing O-ring chain designs Clip style master link included