This the step-up Brembo Supermoto caliper. Better because it's made from CNC Billet aluminum instead of cast aluminum. Lighter weight and cools quicker. Suitable for Racing and Street duty and designed specifically for the rigors of Supermotard use. Brembo Billet Caliper, full blown 4 Piston version, 2 Pad brake pads (1 per 2 pistons). Kit includes caliper, caliper mount bracket, brake pads.