Description Specification Product Segment: Brembo GT Systems Caliper Body: Cast Monobloc Radial Mount Caliper Color: Yellow Number of Pistons: 4 Disc Size and Construction: 380×28 2-Piece Disc Type: Drilled Disc Vane Design: Vented Curved 48 Vane Disc Material: Advanced High Carbon Alloy / Corrosion Resistant Plating Disc to Hat Mounting: Floating D-Bobbin with Anti Rattle Spring Front or Rear System: Rear.