ProTaper Honda/Yamaha Rear Blue Sprocket - 52 Teeth old 4K1 is no different

4K1 is no different

5”s for extreme full range quality that hits all the right frequencies

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ProTaper Honda/Yamaha Rear Blue Sprocket - 52 Teeth old 4K1 is no differentRace Spec (RS) Rear Sprockets feature our revolutionary Angled Mud Groove. This exclusive design creates a self cleaning effect during operation, shedding away mud that would otherwise lead to horsepower loss and sprocket wear. With their precise CNC machining and unique layout, these grooves also allow an increase in tooth surface area of up to 40% over competing sprockets. As a result, contact with the chain is significantly improved, leading to a