Jagwire Pro LR2 Disc Brake Rotor Utilizing a 2-piece construction design Jagwire LR2 rotors have a stainless steel braking surface to provide quiet consistent stopping power. The lightweight aluminum spider features an integrated concentric ring and reinforced rivet joints to resist warping and improve durability. Features Stainless steel machined braking surface resists corrosion and is tuned to reduce braking noise Aluminum spider helps keep weight to a minimum Compatible with all popular disc brake pad compounds (organic/resin metallic and semi-metallic) | Jagwire | Pro Lr2 Disc Brake Rotor 220Mm, 6-Bolt