Brembo GP4-RX Radial Billet Caliper SetThe body of this caliper, which is the very best currently available, is entirely billet and is made up of two pieces which are mechanically connected. Particular attention was dedicated to finding high braking power and stiffness values, obtained tanks to painstaking design, the use of carefully selected raw materials and ultra modern metal machining technology discoveries. In particular sophisticated topological optimisation software was used