Brembo 09.B338.1S Sport Grooved Brake Disc Rotor - Rear, Ventilated, 300mm

The Brembo 09.B338.1S is a Sport-grade rear brake disc from Brembo's Cool Line performance series, engineered for drivers who demand more than standard OE braking performance. Featuring proprietary TY3 groove geometry machined directly into the braking surface along with the Brembo logo, this rotor is purpose-built for spirited road and sports driving without requiring any vehicle modifications.

Key Features:

• TY3 Sport Grooves: Brembo's exclusive groove pattern delivers improved pedal feel, enhanced braking grip, and greater fade resistance compared to standard smooth rotors
• High Carbon Cast Iron Construction: Reduces noise and vibration while maximizing thermal performance and driving comfort
• UV Protective Coating: Corrosion-resistant UV coating covers the full disc surface, including the hub and outer edges, exceeding OE corrosion protection standards
• ECE R-90 Certified: Brembo-certified quality meeting strict European safety approval standards
• Drop-In Fitment: No modifications required for installation; includes fastening hardware
• Ventilated Design: Internal ventilation promotes heat dissipation during demanding braking conditions

Technical Specifications:

• Axle Position: Rear
• Brake Disc Type: Ventilated
• Outside Diameter: 300mm (11.81 in)
• Nominal Thickness: 20mm (0.79 in)
• Minimum Thickness: 18.4mm
• Height (A): 66mm (2.60 in)
• Centering Diameter (B): 75mm
• Number of Lug Holes: 5
• Units Per Box: 1

The Brembo 09.B338.1S Sport brake rotor is the ideal upgrade for drivers seeking a performance-oriented rotor that exceeds OEM standards while remaining fully road-legal and street-compliant.