Check the listing for details. Compbrake Pro Race 1 Calipers [4 Pot] Black [Pair] - CMB0056. Condition: New, Made in United Kingdom. Listed at 546.56 USD. The ultimate in design and technology – Compbrake braking solutions are a unique option for any high performance vehicle; each component has been carefully selected and tested to a very high standard. Our complete solutions are proven, using high performance cars driven by qualified ARDS drivers in race circuit conditions. The Compbrake PRO-RACE 1 callipers weighs only 2kg, offering a substantial reduction in corner weight and aiding the handling of your vehicle. This huge reduction in both un-sprung weight and rotating mass offers major benefits in terms of comfort and road holding. One of the major advantages of the PRO-RACE 1 design is the total weight saving over conventional brake callipers. Stainless steel brake pistons are installed with a new high temperature external seal for ulti.