SuperSprox Edge Rear Sprocket Honda Supersprox Edge Rear Sprockets are an upgrade over traditional stamped steel. With modern styling and weight savings between 5-15, Edge sprockets are an excellent choice for sport bike customization. Features: Cost effective upgrade over OEM stamped steel sprockets Reduced weight from steel sprockets by 5-15 7 times longer life than aluminum sprockets Must be used with Edge colored sprocket insert for OEM sprocket width