Alcon CAR69 "RC4" 4 Piston Calipers 31.8/31.8 (PAIR)Key features and benefits High friction pads increase stopping power Increased pad area reduces temperatures and increases pad life Steel staggered pistons in order to ensure even pad wear Stainless steel pistons as standard for improved resistance to thermal conductivity Pin mounted pads for quicker and easier pad change Specifications 2 piece forged aluminium design High temperature seal material as used in highest levels of motorsport RC4 disc