Centric 121.99012 Disc Brake Rotor - Front

Reliable Performance with Centric C-TEK Standard Disc Brake Rotors

The Centric C-TEK Standard Disc Brake Rotor 121.99012 offers dependable braking performance for a variety of vehicle applications. Designed with precision, this vented rotor ensures consistent heat dissipation and smooth braking response, making it suitable for many common makes and models requiring a 9.209-inch outside diameter rotor.

• Part Number: 121.99012
• Brand: Centric
• Brand Line: C-TEK Standard Disc Brake Rotors
• Outside Diameter: 9.209 inches (233.9 mm)
• Nominal Thickness: 0.709 inches (18.0 mm)
• Discard Thickness: 0.630 inches (16.0 mm)
• Overall Height: 2.000 inches (50.8 mm)
• Vented rotor design for improved heat dissipation
• Smooth surface type for consistent pad contact
• Floating disc mounting with 4 lug holes (0.492 inch diameter)
• Center hole diameter: 2.492 inches (63.3 mm)
• Weight: 8.4 lbs (3.82 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is engineered to meet or exceed OEM specifications for standard replacement rotors. This product line focuses on delivering reliable braking performance with quality materials and precise manufacturing tolerances. The 121.99012 rotor is part of this line, offering a vented design that helps maintain optimal operating temperatures and consistent braking feel for vehicles compatible with its dimensions.

Product Details and Specifications

This Centric disc brake rotor features a vented design that enhances cooling by allowing air to flow between the rotor surfaces, reducing the risk of brake fade during extended use. The smooth surface finish ensures even pad wear and quiet operation. With a nominal thickness of 0.709 inches and a discard thickness of 0.630 inches, this rotor provides a clear service life indicator to maintain safe braking performance. The floating disc mounting and 4 lug holes with a 3.937-inch bolt circle diameter accommodate specific vehicle fitments requiring these dimensions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Improving heat dissipation to reduce brake fade on daily drivers
• Restoring smooth braking performance on vehicles with noisy or uneven rotor surfaces
• Compatible with vehicles requiring a 9.209-inch diameter vented rotor with 4 lug holes

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match your vehicle specifications before installation
• Ensure hub surface is clean and free of rust to prevent rotor runout
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Replace brake pads when installing new rotors for optimal performance
• Check rotor thickness regularly to maintain safe discard limits

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring durability and consistent braking performance. While specific warranty details for part number 121.99012 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or Centric directly for warranty terms related to this rotor.