Centric 121.45071 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.45071

The Centric C-TEK Standard Disc Brake Rotor 121.45071 is engineered for reliable braking performance on Mazda RX-8 vehicles. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and stable stopping power under various driving conditions.

• Compatible with Mazda RX-8 models
• Vented disc brake rotor design for improved cooling
• Overall diameter of 12.717 inches (323 mm)
• Nominal thickness of 0.945 inches (24 mm) with discard thickness at 0.866 inches (22 mm)
• Floating disc mounting with 5 lug holes and 3 additional miscellaneous holes
• Straight vane style for efficient airflow
• Weight approximately 18 lbs (8.18 kgs)
• Does not include ABS tone ring or bearings

Detailed Product Specifications

This Centric disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. The smooth surface finish ensures even pad contact and consistent braking performance. With an outside diameter of 12.717 inches (323 mm) and a nominal thickness of 0.945 inches (24 mm), this rotor meets the precise specifications required for the Mazda RX-8. The discard thickness is set at 0.866 inches (22 mm), indicating the minimum safe thickness before replacement is necessary.

The rotor mounts using a floating disc mounting system and includes five stud/lug holes with a diameter of 0.508 inches (12.9 mm) arranged on a 4.5-inch (114.3 mm) bolt circle diameter. Additionally, it has three miscellaneous holes and a center hole diameter of 2.827 inches (71.8 mm). The straight vane style promotes effective airflow to maintain optimal rotor temperature during operation.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to provide dependable, OE-quality replacement rotors for a wide range of vehicles. This product line focuses on delivering rotors with precise fitment and consistent performance, making it suitable for routine maintenance and brake system repairs. The 121.45071 rotor exemplifies the line’s commitment to matching original equipment specifications for the Mazda RX-8.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda RX-8
• Addresses brake pulsation and vibration issues
• Restores proper braking performance and pedal feel
• Helps prevent brake fade during extended use
• Suitable for vehicles experiencing rotor thickness below discard limits

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.866 inches) before installation
• Clean rotor surface to remove any protective coating before mounting
• Verify compatibility with Mazda RX-8 and part number 121.45071 prior to installation
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check brake pads for wear and replace if necessary during rotor installation

Quality Assurance and Warranty

Centric provides quality assurance through strict manufacturing standards to meet or exceed OEM specifications. While specific warranty details for part number 121.45071 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this disc brake rotor.