The Renthal Ultralight Aluminium Sprocket is a favorite among factory Motocross and Supercross teams more than any other sprocket manufacturer. Through precise CNC machining, each one boasts of excellent concentricity and an optimum tooth profile for increased longevity even in the toughest conditions.Renthal utilizes the CNC process to construct extraordinarily light rear sprockets that diminish revolving unsprung weight and optimize power transfer to the rear wheel. This sprocket is ideal for MX or Off-Road riders who value significant weight reduction without compromising on the durability and efficiency of their gear.