Features: The ideal solution for the rider who wants race-oriented performance without the cost of switching to a full Supermoto Racing setup . Designed for use with stock Brake Calipers, Supermoto Street Discs are 4 mm thick and utilize a 320 mm floating design. Like the flame design outer ring, the inner carrier is in premium quality stainless steel, mounted with 10 stainless steel floaters . Discs must be used with Moto-Master matching CNC-machined black Adapter Bracket. For optimal performance it is recommended to use Moto-Master matching Brake Pads in the racing compound with this Brake setup.