Centric 121.10009 Disc Brake Rotor - Rear

Reliable Performance with Centric C-TEK Standard Disc Brake Rotors

The Centric C-TEK Standard Disc Brake Rotor 121.10009 offers dependable braking performance designed for a range of vehicle applications. Engineered with precise dimensions and a solid rotor design, this part ensures consistent stopping power and durability.

• Part Number: 121.10009
• Brand Line: C-TEK Standard Disc Brake Rotors
• Outside Diameter: 247 mm (9.724 inches)
• Nominal Thickness: 10.000 mm (0.394 inches)
• Discard Thickness: 9.000 mm (0.354 inches)
• Overall Height: 34.3 mm (1.350 inches)
• Solid rotor design with smooth surface finish
• Floating disc mounting with 4 lug holes (13 mm diameter)
• Center Hole Diameter: 71 mm (2.795 inches)
• Mounting Bolt Hole Circle Diameter: 108 mm (4.252 inches)
• Weight: Approximately 3.15 kg (6.94 lbs)
• ABS tone ring not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to provide reliable, OEM-quality replacement rotors for a variety of vehicles. These rotors feature a solid construction and smooth surface to ensure consistent brake pad contact and effective heat dissipation. The 121.10009 rotor is part of this line, offering a balance of durability and performance suitable for standard braking needs.

Technical Specifications and Features

This Centric rotor features a solid disc design with a smooth surface type, which helps maintain consistent braking performance under normal driving conditions. The rotor’s nominal thickness is 10.000 mm, with a discard thickness of 9.000 mm, indicating when replacement is necessary to maintain safety and performance. The overall height of 34.3 mm and an outside diameter of 247 mm make it compatible with specific vehicle models requiring these dimensions. The rotor mounts using a floating disc mounting system and includes four lug holes with a diameter of 13 mm, arranged on a 108 mm bolt circle diameter. The center hole diameter is 71 mm, ensuring proper fitment on the hub.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Resolving uneven brake pad wear due to rotor surface issues
• Improving braking consistency on vehicles with solid rotor requirements
• Suitable for vehicles requiring a 4-lug, 108 mm bolt circle rotor

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it meets or exceeds the nominal thickness of 10.000 mm. Clean the rotor surface to remove any protective coatings or debris before mounting. Verify the center hole diameter and bolt pattern match the vehicle hub specifications. Since this rotor does not include an ABS tone ring or bearings, confirm compatibility with the vehicle’s ABS system and wheel bearings. Proper torque specifications should be followed when tightening lug nuts to avoid rotor warping.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.10009 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult the product packaging or Centric’s official documentation for exact warranty terms.