Centric 121.45058 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.45058

The Centric C-TEK Standard Disc Brake Rotor 121.45058 is engineered for reliable braking performance on Mazda Protege models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.

• Compatible with Mazda Protege vehicles
• Vented disc brake rotor design for improved cooling
• Overall diameter of 10.157 inches (258 mm)
• Nominal thickness of 0.945 inches (24 mm) with discard thickness at 0.866 inches (22 mm)
• Floating disc mounting style with straight vane design
• Four stud/lug holes with 0.512 inch (13 mm) diameter
• Center hole diameter of 2.165 inches (55 mm)
• Weight approximately 12 lbs (5.45 kgs)
• ABS tone ring not included

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric focuses on providing OEM-quality replacement rotors that meet or exceed factory specifications. This product line emphasizes precise fitment and consistent braking performance, making it suitable for routine maintenance and repair on vehicles like the Mazda Protege. The rotors feature vented construction to aid in heat dissipation and maintain braking efficiency under normal driving conditions.

Technical Specifications and Features

This Centric rotor features a vented design with straight vanes to optimize airflow and reduce heat buildup during braking. The smooth surface finish ensures even pad contact and reduces noise. With a nominal thickness of 0.945 inches (24 mm) and a discard thickness of 0.866 inches (22 mm), the rotor provides a clear service life indicator for replacement. The floating disc mounting style allows for slight movement to accommodate thermal expansion and improve rotor longevity. The rotor’s overall height is 1.843 inches (46.8 mm), and it includes four lug holes sized at 0.512 inches (13 mm) diameter, matching the Mazda Protege’s specifications.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda Protege
• Addresses brake pulsation and vibration issues
• Restores braking performance and pedal feel
• Prevents overheating and brake fade during normal driving
• Suitable for routine brake system maintenance

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the rotor thickness to confirm it is above the discard thickness of 0.866 inches (22 mm). Use proper torque specifications for the lug nuts and mounting bolts to avoid rotor warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately if necessary. It is recommended to replace brake pads simultaneously for optimal braking performance.

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.45058 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.