Centric 121.51020 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.51020

The Centric C-TEK Standard Disc Brake Rotor 121.51020 is engineered for reliable braking performance on select Hyundai and Kia models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for vehicles like the Hyundai Sonata and Kia Sportage.

• Vented disc brake rotor for improved cooling
• Nominal thickness of 1.102 inches (28.000 mm)
• Discard thickness at 1.039 inches (26.400 mm)
• Overall height of 1.878 inches (47.700 mm)
• Outside diameter measuring 11.811 inches (300.000 mm)
• Floating disc mounting design
• Five lug holes with 0.492 inch (12.500 mm) diameter
• Straight vane style for efficient airflow
• Compatible with Hyundai and Kia models including Forte, Tucson, and Veloster

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric focuses on providing OEM-quality replacement rotors that meet or exceed factory specifications. This product line emphasizes precise fitment and consistent braking performance, making it suitable for routine maintenance and rotor replacement on vehicles such as the Kia Optima and Hyundai ix35. The 121.51020 rotor maintains the structural and dimensional integrity required for safe operation.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to enhance heat dissipation during braking, reducing the risk of brake fade. The smooth surface finish ensures even pad contact and wear. With a center hole diameter of 2.717 inches (69.000 mm) and a mounting bolt hole circle diameter of 4.5 inches (114.300 mm), it fits securely on compatible hubs. The rotor weighs approximately 19.25 lbs (8.75 kgs), balancing durability and performance. Note that this rotor does not include ABS tone rings or bearings.

Compatible Vehicles and Applications

• Hyundai Forte, Forte5, Forte Koup
• Hyundai ix35, Sonata, Veloster
• Kia Optima, Rondo, Sportage, Tucson

This rotor is designed to replace worn or damaged rotors on these models, restoring braking efficiency and safety.

Common Issues Addressed by This Rotor

• Brake pulsation caused by warped rotors
• Reduced braking performance due to rotor wear
• Excessive brake noise from uneven rotor surfaces
• Overheating and brake fade during extended use
• Vibration felt through the brake pedal

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 1.039 inches (26.400 mm) before installation. Clean the rotor surface to remove any protective coatings or contaminants. Use proper torque specifications on the five lug nuts with 0.492 inch (12.500 mm) diameter holes. Verify compatibility with your vehicle’s hub and brake system, especially since this rotor does not include ABS tone rings or bearings. Professional installation is recommended for optimal safety and performance.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards, ensuring reliable fit and function. While specific warranty details for part number 121.51020 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.