Stoptech 127.45022R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (part number 127.45022R) are engineered for Mazda RX-7 models requiring reliable and consistent braking performance. These rotors feature a vented design with cross-drilled and slotted surfaces to enhance heat dissipation and maintain optimal brake pad contact.

• Cross-drilled and slotted surface for improved heat dissipation and debris removal
• Vented rotor design to reduce brake fade during extended use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with Mazda RX-7 models requiring 10.854 inch (275.7 mm) outside diameter rotors

Detailed Product Features and Specifications

This StopTech rotor has a nominal thickness of 0.866 inches (22.0 mm) and a discard thickness of 0.787 inches (20.0 mm), ensuring a solid lifespan before replacement is necessary. The rotor’s overall height measures 2.559 inches (65.0 mm), with a center hole diameter of 3.031 inches (77.0 mm) and a mounting bolt hole circle diameter of 4.5 inches (114.3 mm). It includes five stud/lug holes with a diameter of 0.492 inches (12.5 mm). The rotor weighs approximately 14.5 lbs (6.59 kgs), balancing durability and performance. The vane style is straight, which aids in consistent airflow and cooling during braking.

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and pad bite. The combination of cross-drilled holes and precision slots helps to evacuate gases, dust, and water from the rotor surface, which is critical for maintaining consistent braking on the Mazda RX-7. The vented rotor design further supports thermal regulation, reducing the risk of brake fade under demanding driving conditions.

Common Applications and Problem Solving

• Reduces brake fade during spirited driving or track use
• Improves wet weather braking by channeling water away from the rotor surface
• Minimizes brake dust buildup for cleaner rotor and pad contact
• Helps maintain consistent pedal feel under heavy braking
• Prevents rotor warping through enhanced heat dissipation

Installation Notes and Tips

• Ensure compatibility with Mazda RX-7 models requiring 275.7 mm diameter rotors
• Check rotor thickness before installation to confirm it meets minimum discard thickness
• Use proper torque specifications on mounting bolts to avoid rotor distortion
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Break in new rotors and pads according to manufacturer recommendations for best results

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet strict quality standards, ensuring durability and consistent performance. The rotors feature a corrosion-resistant coated hat finish to extend service life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always refer to the official StopTech warranty documentation for complete coverage information.