Stoptech 128.34097R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotors (part number 128.34097R) are engineered for BMW X5 and X6 models requiring reliable braking performance. These vented, cross-drilled rotors provide enhanced heat dissipation and consistent stopping power under demanding conditions.

• Compatible with BMW X5 and X6 models
• Cross-drilled surface for improved cooling and brake pad bite
• Vented rotor design to reduce heat buildup
• Coated hat finish for corrosion resistance
• Nominal thickness of 20.000 mm with discard thickness at 18.400 mm
• Overall diameter of 320 mm (12.598 inches)
• Five lug holes with 120 mm bolt circle diameter
• Weight approximately 8.07 kg (17.75 lbs)

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

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on performance-oriented rotors designed to improve braking efficiency and thermal management. The cross-drilled surface pattern enhances ventilation and helps maintain consistent brake pad contact, while the vented rotor design aids in heat dissipation. This product line is suitable for drivers seeking a balance between everyday driving and spirited performance, particularly for BMW X5 and X6 vehicles.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling. The rotor has a coated hat finish that protects against corrosion, extending service life. The nominal thickness measures 20.000 mm, with a discard thickness of 18.400 mm, ensuring clear service limits for safe operation. The rotor’s outside diameter is 320 mm (12.598 inches), and it includes five lug holes spaced on a 120 mm bolt circle diameter, compatible with the specified BMW models. The center hole diameter is 75 mm (2.953 inches), and the rotor weighs approximately 8.07 kg (17.75 lbs).

Applications and Problem Solving

• Replaces worn or warped rotors on BMW X5 and X6 models
• Improves brake cooling to reduce fade during heavy braking
• Addresses uneven brake pad wear caused by heat buildup
• Restores braking performance compromised by rotor surface damage
• Enhances braking consistency for daily driving and light performance use

Installation Notes and Tips

• Ensure compatibility with BMW X5 and X6 models before installation
• Inspect brake pads and replace if worn to maintain optimal braking
• Clean mounting surfaces to prevent rotor runout
• Torque lug nuts to manufacturer specifications for safety
• Perform a bed-in procedure after installation to optimize rotor and pad contact

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet OEM standards for fit and function. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided, StopTech products typically come with a limited warranty against defects in materials and workmanship. It is recommended to consult the product documentation or manufacturer for exact warranty terms.