Brembo High-Performance 2-Piece Floating Brake Rotor (Left Side). Features the TY3 'Turismo' groove pattern for superior initial bite and continuous pad surface cleaning. This professional-grade component consists of a high-carbon cast iron ring and a lightweight aluminum hat tied together with a patented mounting system. Technical data: Diameter: 380mm, Thickness: 34mm. Part components: 1x Outer Friction Ring (TY3 Type), 1x inner Aluminum Hub/Center Bell, 1x Fastening Hardware Kit (bobbins and bolts).