Protaper 033265 PTR Rear Sprocket - Aluminum engine-oil-coolers Easier piston travel and value

Easier piston travel and value seat protection

Polymesh backhand promotes airflow and wicks away excess moisture

Three-button communication system with Mesh 2

Space Age internal packing material for maximum longevity

They block heat and reduce oil temps

Protaper 033265 PTR Rear Sprocket - Aluminum engine-oil-coolers Easier piston travel and valueRace 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