Centric 121.50005 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Kia Sephia and Spectra

The Centric C-TEK Standard Disc Brake Rotor 121.50005 is engineered to provide consistent braking performance for Kia Sephia and Spectra models. Designed with precision, this vented rotor ensures effective heat dissipation and durability under normal driving conditions.

• Compatible with Kia Sephia and Kia Spectra vehicles
• Part number 121.50005 for accurate fitment
• Vented disc brake rotor with straight vane style for improved cooling
• Nominal thickness of 0.945 inches (24.000 mm) and discard thickness of 0.866 inches (22.000 mm)
• Overall height of 1.913 inches (48.600 mm) and outside diameter of 10.157 inches (258.000 mm)
• Floating disc mounting with 4 stud/lug holes (0.512 inches diameter) on a 3.937 inch bolt circle diameter
• Smooth surface type for consistent pad contact

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on standard vented rotors that provide balanced performance and durability for everyday driving. The 121.50005 rotor features a vented hat and straight vane design to optimize heat dissipation, helping maintain braking efficiency and rotor longevity on Kia Sephia and Spectra models.

Product Details and Specifications

This Centric disc brake rotor has a nominal thickness of 0.945 inches (24.000 mm) and a discard thickness of 0.866 inches (22.000 mm), indicating when replacement is necessary to maintain safe braking. The rotor’s overall height measures 1.913 inches (48.600 mm), with an outside diameter of 10.157 inches (258.000 mm). It includes a floating disc mounting system and features 4 stud/lug holes with a diameter of 0.512 inches (13.000 mm) arranged on a 3.937 inch (100.000 mm) bolt circle diameter. The rotor surface is smooth, ensuring consistent brake pad contact, and it does not include an ABS tone ring or bearings.

Common Issues Addressed by This Rotor

• Brake pulsation caused by warped or uneven rotors
• Reduced braking efficiency due to worn rotor thickness
• Overheating and brake fade from insufficient heat dissipation
• Noise and vibration from damaged or uneven rotor surfaces
• Corrosion and surface wear affecting braking performance

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 0.866 inches (22.000 mm) before installation. Clean the rotor surface to remove any protective coatings or debris. Verify the rotor fits securely on the hub with the 4 stud/lug holes aligned on the 3.937 inch bolt circle diameter. Use proper torque specifications for mounting bolts to avoid rotor warping. This rotor does not include bearings or an ABS tone ring, so verify compatibility with your vehicle’s braking system.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet 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.