Stoptech 126.34133SR Disc Brake Rotor - Rear Right

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.34133SR) are engineered for BMW models including the 535i, 550i, 640i, 650i, and 7 Series variants. Designed to enhance braking performance, these rotors feature a vented and slotted surface to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Vented disc brake rotor with slotted surface for improved cooling
• Coated hat finish to resist corrosion and extend rotor life
• Nominal thickness of 23.8 mm with discard thickness at 22.4 mm
• Outside diameter of 345 mm (13.583 inches) for precise fitment
• Designed for 5-lug bolt pattern with 120 mm bolt circle diameter
• Compatible with BMW 535i, 550i, 640i, 650i, and 7 Series models
• Part number 126.34133SR ensures exact replacement and fit

Detailed Product Description

The StopTech Sport Slotted Disc Brake Rotors are vented rotors featuring a slotted surface type that helps channel away brake dust, gases, and water, improving brake pad contact and reducing fade. The coated hat finish provides corrosion resistance, which is essential for maintaining rotor integrity over time. With an overall height of 69.1 mm and a center hole diameter of 75 mm, these rotors are designed to fit precisely on compatible BMW models. The rotor’s floating disc mounting and a single miscellaneous hole contribute to its structural design, while the 5 stud/lug holes with a diameter of 16.6 mm ensure secure installation. Weighing approximately 19.3 lbs (8.77 kgs), these rotors balance durability and performance.

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor designs. The slotted surface improves pad bite and helps maintain consistent braking under high-stress conditions, making it suitable for both spirited street driving and light track use. This product line is engineered to meet the demands of BMW drivers seeking reliable and durable rotors that maintain performance over time.

Applications and Problem Solving

• Reduces brake fade during aggressive driving or heavy braking
• Improves heat dissipation to prevent rotor warping
• Enhances brake pad bite and responsiveness
• Minimizes brake dust buildup on rotor surface
• Resists corrosion for longer service life

Installation Notes and Tips

• Ensure compatibility with BMW models such as 535i, 550i, 640i, 650i, and 7 Series variants before installation
• Check rotor discard thickness (22.4 mm) and replace if below this limit
• Use proper torque specifications for the 5-lug bolt pattern with 120 mm bolt circle diameter
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Professional installation is recommended to ensure safety and proper fitment

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always verify warranty terms with the product documentation or authorized sources.