Our ROTOR sprockets are made in Germany from the finest material to ensure the highest quality and guarantees extreme long life.Made in one of the leading manufacturer for high end motorcycles components, our sprockets are CNC machinedusing an exclusive process to cut the teeth. "Diamond cut" is an innovative manufacturing process resulting in a visible higher quality sprocket than was ever possible on standard milled sprockets. Special tooling guarantees extremely low tolerances and a super accurate cutting surface. At the same time the material is highly condensed in the area of the teeth flanges which work-hardens the material and significantly enhances durability. KHEbikes ROTOR sprockets are without doubt one of the most durable and strongest sprockets on the market.