Centric 121.65021 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.65021

The Centric C-TEK Standard Disc Brake Rotor 121.65021 is engineered for reliable braking performance on Ford Bronco and F-150 models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.

• Compatible with Ford Bronco and Ford F-150 vehicles
• Vented disc brake rotor design for improved cooling
• Nominal thickness of 1.185 inches (30.100 mm) with discard thickness at 1.122 inches (28.500 mm)
• Overall height of 2.976 inches (75.600 mm)
• Outside diameter measures 11.720 inches (297.700 mm)
• 5 stud/lug hole quantity with 0.500 inch stud thread diameter
• Mounting bolt hole circle diameter of 5.500 inches (139.700 mm)
• Straight vane style for effective airflow
• Weight approximately 25 lbs (11.360 kgs)
• Does not include ABS tone ring or bearings

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor 121.65021 is a vented rotor designed to provide consistent braking performance for Ford Bronco and F-150 trucks. The vented design with straight vanes enhances heat dissipation, reducing the risk of brake fade during extended use. The rotor features a smooth surface type, which is ideal for standard brake pad materials and helps maintain even pad wear. With a nominal thickness of 1.185 inches (30.100 mm) and a discard thickness of 1.122 inches (28.500 mm), this rotor meets OEM specifications for thickness tolerances, ensuring safe and effective braking. The rotor’s outside diameter of 11.720 inches (297.700 mm) and overall height of 2.976 inches (75.600 mm) are engineered to fit precisely on the hub and rotor mounting system of compatible Ford models. The 5-lug hole pattern with a 0.500 inch stud thread diameter and 5.500 inch bolt hole circle diameter ensures secure installation.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to provide dependable, OEM-quality replacement rotors for a wide range of vehicles. This product line focuses on delivering rotors that meet or exceed factory specifications, offering consistent performance and durability. The 121.65021 rotor is part of this line, providing a vented rotor option that balances heat management and structural integrity for Ford Bronco and F-150 applications.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading from solid to vented rotors for improved heat dissipation
• Resolving brake noise or vibration related to rotor surface wear
• Maintaining proper rotor thickness to ensure braking efficiency
• Ensuring compatibility with OEM mounting specifications on Ford Bronco and F-150

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean rotor surface and hub mounting area to prevent uneven rotor seating
• Use proper torque specifications on lug nuts to avoid rotor warping
• Check compatibility with brake pads and calipers specific to Ford Bronco and F-150
• Inspect related components such as bearings and seals (part numbers 410.91038 and 417.65013) for wear during installation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.65021 are not provided here, Centric typically offers coverage against defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for warranty terms related to this rotor.