Centric 121.61111 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.61111

The Centric C-TEK Standard Disc Brake Rotor 121.61111 is engineered for reliable braking performance on Ford Mustang vehicles. Designed as a solid rotor with a smooth surface, it offers consistent stopping power and durability for everyday driving conditions.

• Compatible with Ford Mustang models
• Solid disc brake rotor with smooth surface finish
• Nominal thickness of 0.441 inches (11.2 mm)
• Discard thickness at 0.390 inches (9.9 mm)
• Overall height of 1.634 inches (41.5 mm)
• Outside diameter measuring 12.598 inches (320 mm)
• Floating disc mounting design
• 5 lug holes with 0.622 inch (15.8 mm) diameter
• Center hole diameter of 2.795 inches (71 mm)
• Weight approximately 13.85 lbs (6.3 kgs)
• ABS tone ring not included

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for standard braking applications. This product line focuses on providing rotors that meet OEM specifications with a smooth surface and solid construction, suitable for drivers who require dependable performance without additional features like venting or ABS tone rings. The 121.61111 rotor fits within this line, delivering consistent braking for Ford Mustang models.

Technical Specifications and Features

This Centric rotor features a solid design with a smooth surface type, which helps maintain consistent pad contact and braking efficiency. The nominal thickness of 0.441 inches (11.2 mm) ensures adequate material for wear life, while the discard thickness of 0.390 inches (9.9 mm) indicates when replacement is necessary to maintain safe braking performance. The rotor’s overall height is 1.634 inches (41.5 mm), and it has an outside diameter of 12.598 inches (320 mm), matching OEM dimensions for proper fitment on Ford Mustang vehicles. The floating disc mounting style allows for slight movement to reduce stress and improve rotor longevity. The rotor includes five lug holes with a diameter of 0.622 inches (15.8 mm) and a mounting bolt hole circle diameter of 4.5 inches (114.3 mm), ensuring compatibility with factory wheel hubs.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Mustang models
• Restores braking performance and pedal feel
• Eliminates brake noise caused by uneven rotor surfaces
• Addresses rotor thickness below manufacturer discard limits
• Improves safety by maintaining proper rotor dimensions and integrity

Installation Notes and Tips

When installing the Centric C-TEK Standard Disc Brake Rotor 121.61111, ensure the rotor surface is clean and free of any contaminants before mounting. Verify that the rotor thickness is above the discard thickness specification of 0.390 inches (9.9 mm). Use proper torque specifications for lug nuts and mounting bolts to avoid rotor warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.