Centric 121.45070 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.45070

The Centric C-TEK Standard Disc Brake Rotor 121.45070 is engineered for reliable braking performance on Mazda RX-8 vehicles. Designed to meet OEM specifications, this vented disc brake rotor ensures consistent stopping power and durability under normal driving conditions.

• Compatible with Mazda RX-8 models
• Part number: 121.45070
• Vented rotor design for improved heat dissipation
• Nominal thickness of 0.945 inches (24.000 mm)
• Discard thickness at 0.866 inches (22.000 mm)
• Overall height of 1.772 inches (45.000 mm)
• Outside diameter of 11.929 inches (303.000 mm)
• Floating disc mounting with 5 lug holes (0.512 inches / 13.000 mm diameter)
• Smooth surface type for consistent pad contact

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor 121.45070 is specifically designed for the Mazda RX-8, providing a precise fit and reliable braking performance. The rotor features a vented design with straight vanes that help dissipate heat efficiently, reducing the risk of brake fade during extended use. With a nominal thickness of 0.945 inches and a discard thickness of 0.866 inches, this rotor maintains structural integrity and safety throughout its service life. The smooth surface finish ensures even brake pad wear and consistent braking response. The rotor mounts using a floating disc system with a 5-lug hole pattern, 0.512 inches in diameter, and a mounting bolt hole circle diameter of 4.5 inches (114.3 mm), matching OEM specifications for the RX-8.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards. This product line focuses on delivering dependable braking performance with precise fitment and quality materials. The 121.45070 rotor exemplifies this approach by combining vented rotor technology with exacting dimensional tolerances to ensure compatibility and durability for Mazda RX-8 vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda RX-8
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves braking consistency after rotor overheating
• Restores proper rotor thickness for safe braking performance
• Eliminates noise and vibration related to damaged rotors

Installation Notes and Tips

• Verify rotor dimensions and part number 121.45070 before installation
• Ensure proper cleaning of rotor surface to remove any protective coatings
• Check brake pads for wear and replace if necessary during rotor installation
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect wheel bearings and hub assembly for damage prior to installation

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured under strict quality control standards to ensure durability and performance. While specific warranty details for part number 121.45070 may vary, Centric typically offers coverage against defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for warranty terms related to this rotor.