Centric 120.45090 Disc Brake Rotor - Front

Overview of Centric Premium Disc Brake Rotor 120.45090

The Centric Premium Disc Brake Rotor 120.45090 is engineered for reliable braking performance on Fiat 124 Spider and Mazda MX-5 Miata models. Designed to meet OEM specifications, this vented disc brake rotor ensures consistent stopping power and durability under various driving conditions.

• Compatible with Fiat 124 Spider and Mazda MX-5, MX-5 Miata
• Vented rotor design for improved heat dissipation
• Coated hat finish to resist corrosion
• 4 bolt hole and stud/lug hole configuration
• Nominal thickness of 22 mm and discard thickness of 20 mm
• Overall diameter of 280 mm (11.024 inches)
• Floating disc mounting for enhanced rotor performance

Product Features and Specifications

This Centric Premium Disc Brake Rotor features a vented design that helps reduce heat buildup during braking, which is critical for maintaining brake efficiency and rotor longevity. The rotor has a nominal thickness of 22 mm and a discard thickness of 20 mm, indicating when replacement is necessary to maintain safe braking. The coated hat finish provides corrosion resistance, extending the rotor's service life. With an outside diameter of 280 mm and an overall height of 44 mm, this rotor fits precisely on the specified Fiat and Mazda models. The rotor includes 4 bolt holes and 4 stud/lug holes, each with a diameter of approximately 13.1 mm, and a center hole diameter of 55 mm, ensuring proper fitment and secure mounting. The floating disc mounting design allows for slight movement, which can help reduce stress and improve braking smoothness.

About Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line is designed to provide a balance of performance and durability for daily driving and moderate performance applications. These rotors are manufactured to meet or exceed OEM standards, featuring vented designs and corrosion-resistant coatings. The 120.45090 rotor is part of this line, offering reliable braking for Fiat 124 Spider and Mazda MX-5 Miata vehicles with precise fitment and consistent quality.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading from rusted or corroded rotors to improve braking reliability
• Addressing brake noise or vibration issues related to rotor surface wear
• Maintaining proper rotor thickness to ensure safe braking performance
• Ensuring compatibility with OEM brake components on Fiat 124 Spider and Mazda MX-5 models

Installation Notes and Tips

When installing the Centric Premium Disc Brake Rotor 120.45090, ensure the rotor surface is clean and free of any protective coatings before mounting. Verify that the rotor thickness is above the discard thickness of 20 mm to maintain safety standards. Use proper torque specifications for the 4 bolt holes and stud/lug holes to avoid warping. Since this rotor does not include bearings or an ABS tone ring, confirm compatibility with your vehicle’s existing components. It is recommended to replace brake pads simultaneously to optimize braking performance.

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality control standards, ensuring consistent performance and durability. The 120.45090 rotor is coated to resist corrosion and designed to OEM specifications for fit and function. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or manufacturer resources for complete warranty information.