Alcon CAR69 "RC4" 4 Piston Front Calipers 41.3/38.1(PAIR) Grey LeadingAlcon CAR69 "RC4" 4 Piston Front Calipers 41. 3 38. 1(PAIR) Red Trailing 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