Centric 121.61070 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.61070

The Centric C-TEK Standard Disc Brake Rotor 121.61070 is engineered for reliable braking performance on Ford Fiesta and Ford Focus models. Designed as a solid, smooth-surface rotor, it meets OEM specifications to ensure consistent stopping power and durability.

• Compatible with Ford Fiesta and Ford Focus vehicles
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 253 mm (9.961 inches)
• Nominal thickness: 10.100 mm (0.398 inches)
• Discard thickness: 8.900 mm
• Overall height: 33.000 mm (1.299 inches)
• Floating disc mounting design
• 4 stud/lug holes with 13.750 mm diameter
• Center hole diameter: 63.500 mm (2.500 inches)
• Weight approximately 3.41 kg (7.5 lbs)

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards. This product line focuses on providing solid rotors with smooth surfaces designed for everyday driving conditions. The 121.61070 rotor maintains consistent thickness and precise dimensions to ensure proper fitment and braking performance on compatible Ford Fiesta and Focus models.

Technical Description and Specifications

This Centric rotor features a solid construction with a smooth surface type, which helps provide stable braking without the complexity of vented designs. The rotor’s outside diameter measures 253 mm, with a nominal thickness of 10.100 mm and a discard thickness of 8.900 mm, indicating when replacement is necessary. The overall height is 33 mm, and it uses a floating disc mounting system to accommodate thermal expansion and reduce stress. The rotor includes four stud/lug holes sized at 13.750 mm diameter, and a center hole diameter of 63.5 mm ensures proper hub alignment. ABS tone ring is not included, and bearings are not part of this assembly.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Fiesta and Focus
• Addresses brake pulsation caused by uneven rotor thickness
• Restores braking efficiency lost due to rotor surface wear
• Eliminates noise and vibration from damaged or scored rotors
• Ensures proper rotor thickness for safe braking performance

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 8.900 mm
• Ensure hub surface is clean and free of rust for proper rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check compatibility with ABS systems as this rotor does not include a tone ring
• Inspect brake pads and replace if worn to maintain optimal braking

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet OEM quality standards, ensuring reliable fit and function. While specific warranty details for part number 121.61070 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult Centric’s official documentation or authorized distributors for exact warranty terms.