Stoptech 128.34097L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.34097L is engineered for BMW X5 and X6 models, providing reliable braking performance with enhanced heat dissipation. Designed to meet the demands of both daily driving and spirited use, this rotor offers a balance of durability and improved stopping power.

• Cross-drilled surface for improved heat dissipation and reduced brake fade
• Vented rotor design to enhance cooling efficiency
• Coated hat finish to resist corrosion and extend rotor life
• Compatible with BMW X5 and X6 models
• Precision engineered with 5 lug holes and a 320 mm outside diameter

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

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on performance-oriented rotors featuring cross-drilled surfaces and vented designs. These rotors are intended to improve braking response and thermal management compared to standard rotors. The 128.34097L part benefits from this product line’s emphasis on enhanced cooling and durability, making it suitable for BMW X5 and X6 vehicles requiring reliable brake system upgrades.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to optimize airflow and heat dissipation. The cross-drilled surface reduces heat buildup and helps prevent brake fade during extended use. The rotor has a nominal thickness of 20.000 mm and a discard thickness of 18.400 mm, ensuring a long service life before replacement is necessary. The coated hat finish protects against corrosion, maintaining rotor integrity over time. Key dimensions include a 320 mm outside diameter, 78.8 mm overall height, and a center hole diameter of 75 mm. The rotor mounts with 5 lug holes on a 120 mm bolt circle diameter, compatible with BMW X5 and X6 brake assemblies.

Applications and Problem Solving

• Improves braking performance for BMW X5 and X6 vehicles
• Reduces brake fade during high-temperature conditions
• Enhances rotor cooling through vented and cross-drilled design
• Prevents corrosion with coated hat finish
• Maintains consistent braking feel under demanding driving

Installation Notes and Tips

Ensure compatibility with your specific BMW X5 or X6 model year before installation. Properly torque lug nuts to manufacturer specifications and inspect brake pads for wear when replacing rotors. It is recommended to replace rotors in pairs to maintain balanced braking performance. Clean the rotor surface of any protective coatings or oils before installation to ensure optimal pad contact.

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet strict quality standards for fitment and performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult the product packaging or StopTech directly for warranty terms applicable to part number 128.34097L.