Centric 121.61099 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.61099

The Centric C-TEK Standard Disc Brake Rotor 121.61099 is designed specifically for Ford Focus models, providing reliable braking performance with precise fitment. This solid, smooth-surfaced rotor meets OEM specifications to ensure consistent stopping power and durability.

• Compatible with Ford Focus vehicles
• Part number 121.61099 for exact fitment
• Solid disc brake rotor with smooth surface
• Nominal thickness of 0.429 inches (10.9 mm)
• Discard thickness at 0.354 inches (9.0 mm)
• Overall height of 1.602 inches (40.7 mm)
• Outside diameter of 10.657 inches (270.7 mm)
• Five stud/lug holes with 0.539 inch (13.7 mm) diameter
• Floating disc mounting design
• Weight approximately 9.75 lbs (4.42 kgs)

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors engineered to meet or exceed OEM standards for everyday driving conditions. This product line focuses on providing dependable braking performance with precise dimensions and quality materials. The 121.61099 rotor is part of this line, ensuring compatibility and consistent braking feel for Ford Focus vehicles.

Technical Specifications and Features

This Centric rotor features a solid design with a smooth surface type, which helps maintain consistent brake pad contact and reduces noise. The nominal thickness of 0.429 inches (10.9 mm) and discard thickness of 0.354 inches (9.0 mm) define the usable rotor life before replacement is necessary. The rotor’s overall height is 1.602 inches (40.7 mm), and it has an outside diameter of 10.657 inches (270.7 mm), matching factory dimensions for proper fitment. The rotor includes five stud/lug holes with a diameter of 0.539 inches (13.7 mm) arranged on a 4.252 inch (108 mm) bolt circle diameter. It uses a floating disc mounting design and does not include ABS tone rings or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Focus models
• Addresses brake pulsation and vibration issues
• Restores braking performance and pedal feel
• Eliminates noise caused by uneven rotor surfaces
• Prevents rotor thickness below safe discard limits

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is above the discard thickness of 0.354 inches (9.0 mm) to maintain safety. Use proper torque specifications on lug nuts and check for any signs of uneven wear on brake pads. This rotor is designed for direct replacement on compatible Ford Focus models and does not require additional components such as bearings or ABS tone rings.

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM quality standards, ensuring reliable performance and durability. The 121.61099 rotor undergoes strict quality control processes to maintain consistency. Warranty coverage details should be confirmed with the product documentation or manufacturer.