Renthal Sprocket Twinring Silver 49T Bi-Metal Grooved Category_Air Filters RK chains are used by

RK chains are used by professional race teams around the world including MotoGP Repsol Honda

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Renthal Sprocket Twinring Silver 49T Bi-Metal Grooved Category_Air Filters RK chains are used byThe Renthal Twinring Rear Sprocket is a long lasting durable Off Road sprocket that was developed and tested over the course of 5 years. The unique flat face two piece design keeps weight to a minimum and maximizes durability all while keeping a narrow profile. The outer steel ring is expanded at 200C and then fitted to the aluminium inner before cooling, this process creates a permanent bond while flat socket set screws prevent lateral movement