BikeMaster Steel 525 Rear Sprocket Kawasaki Ninja / Versys 1000 / Z1000 Features Meticulously engineered using the highest quality materials and industry leading technology to provide the best replacement sprockets for your motorcycle BikeMaster Rear Sprockets are machined from 1045 steel and coated with a beautiful black Cataphoresis finish A perfect match for the BikeMaster line of chains