Stoptech 127.34101L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (part number 127.34101L) are engineered for Mini Cooper vehicles requiring reliable braking performance. These vented rotors feature a slotted and drilled surface designed to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Mini Cooper models
• Cross-drilled and slotted rotor surface for enhanced cooling
• Vented rotor design to reduce heat buildup
• Coated hat finish for corrosion resistance
• Floating disc mounting for improved rotor alignment
• Overall diameter of 11.575 inches (294 mm)
• Nominal thickness of 0.862 inches (21.9 mm)
• Weight approximately 15.5 lbs (7.05 kg)

Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and debris removal. The combination of cross-drilled holes and precision slots helps maintain rotor surface temperature and reduces brake fade. This product line is suitable for drivers seeking consistent braking response and durability, particularly in sporty or spirited driving conditions. The rotors feature a coated hat finish to resist corrosion and a floating disc mounting system to accommodate thermal expansion and reduce stress on the rotor.

Technical Specifications and Features

This disc brake rotor is vented with straight vanes to optimize airflow and cooling. The rotor has a discard thickness of 0.803 inches (20.4 mm) and a nominal thickness of 0.862 inches (21.9 mm), ensuring it meets or exceeds OEM specifications for safe operation. The overall height measures 1.760 inches (44.7 mm), and the center hole diameter is 2.524 inches (64.1 mm). It includes four stud/lug holes with a diameter of 0.638 inches (16.2 mm) arranged on a 3.937 inch (100 mm) bolt circle diameter. The rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Improves brake cooling to reduce fade during aggressive driving
• Helps prevent rotor warping caused by excessive heat
• Enhances brake pad bite and debris removal with slotted and drilled design
• Reduces corrosion with coated hat finish for longer rotor life
• Maintains consistent braking performance for Mini Cooper vehicles

Installation Notes and Tips

• Ensure compatibility with Mini Cooper model year and specifications before installation
• Inspect brake pads and calipers for wear or damage during rotor replacement
• Torque mounting bolts to manufacturer specifications to avoid rotor distortion
• Perform a proper bed-in procedure after installation to optimize rotor and pad performance

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. The rotors undergo precision machining and coating processes to ensure consistent dimensions and corrosion resistance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Refer to StopTech or authorized distributors for exact warranty terms.