Centric 121.45052 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.45052

The Centric C-TEK Standard Disc Brake Rotor 121.45052 is engineered for reliable braking performance on select Mazda and Volkswagen vehicles. Designed specifically for models like the Mazda RX-7 and Volkswagen EuroVan, this vented rotor ensures consistent heat dissipation and smooth braking response.

• Compatible with Mazda RX-7 and Volkswagen EuroVan
• Part number 121.45052 for precise identification
• Vented disc brake rotor with smooth surface finish
• Overall diameter of 11.575 inches (294 mm) for exact fitment
• Nominal thickness of 0.787 inches (20 mm) with discard thickness at 0.709 inches (18 mm)
• Floating disc mounting design with straight vane style for efficient cooling
• Five lug holes with 0.512 inch (13 mm) diameter and 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter of 2.835 inches (72 mm) for proper hub alignment
• Weight approximately 12 lbs (5.45 kgs) for balanced performance

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard braking applications. This product line focuses on delivering consistent braking performance with quality materials and precise manufacturing tolerances. The 121.45052 rotor exemplifies this approach by providing a vented design that helps maintain optimal operating temperatures during normal driving conditions on compatible Mazda and Volkswagen models.

Detailed Product Description and Specifications

This Centric disc brake rotor features a vented design with straight vanes that promote effective heat dissipation, reducing the risk of brake fade during extended use. The smooth surface type ensures even pad contact and wear. With a nominal thickness of 0.787 inches (20 mm) and a discard thickness of 0.709 inches (18 mm), this rotor maintains structural integrity and safety throughout its service life. The floating disc mounting style allows for slight movement to accommodate thermal expansion and improve braking consistency. The rotor’s dimensions, including an outside diameter of 11.575 inches (294 mm) and a center hole diameter of 2.835 inches (72 mm), are engineered for a precise fit on the Mazda RX-7 and Volkswagen EuroVan. The five lug holes with a 4.5 inch (114.3 mm) bolt circle diameter ensure secure attachment to the wheel hub.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda RX-7 and Volkswagen EuroVan
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat management to reduce brake fade during extended braking
• Restores proper rotor thickness to maintain safe braking performance
• Eliminates noise and vibration associated with damaged rotors

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Inspect hub surface for cleanliness and damage prior to mounting
• Torque lug nuts to manufacturer specifications to ensure proper fit
• Check rotor thickness and discard limits during installation
• Bleed brake system after rotor replacement to maintain brake responsiveness

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 121.45052 should be confirmed with the supplier, Centric generally offers coverage against defects in materials and workmanship. This rotor is produced with quality control processes to maintain consistent dimensions and material integrity for safe braking operation.