Centric 121.50016 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.50016

The Centric C-TEK Standard Disc Brake Rotor 121.50016 is engineered for reliable braking performance on Hyundai Accent, Kia Rio, and Kia Rio5 models. Designed as a solid rotor with a smooth surface, it meets the specifications required for these vehicles, ensuring consistent stopping power and durability.

• Compatible with Hyundai Accent, Kia Rio, and Kia Rio5
• Part number: 121.50016
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 10.315 inches (262.0 mm)
• Nominal thickness: 0.394 inches (10.0 mm)
• Discard thickness: 0.331 inches (8.4 mm)
• Overall height: 2.512 inches (63.8 mm)
• Center hole diameter: 2.461 inches (62.5 mm)
• Mounting bolt hole circle diameter: 100.0 mm (3.937 inches)
• 4 stud/lug holes, each 0.5 inches (12.7 mm) in diameter
• Weight approximately 9.65 lbs (4.39 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard replacement applications. This product line focuses on providing solid rotors with smooth surfaces that are engineered for consistent braking performance and durability. The 121.50016 rotor fits within this line, delivering reliable stopping power for Hyundai Accent and Kia Rio series vehicles without ABS tone rings or included bearings.

Technical Details and Specifications

This Centric rotor is a solid type, meaning it does not have venting channels, which suits vehicles with standard braking demands. The smooth surface finish helps ensure even pad contact and wear. The rotor’s nominal thickness is 0.394 inches (10.0 mm), with a discard thickness of 0.331 inches (8.4 mm), indicating when replacement is necessary to maintain safe braking. The overall height of 2.512 inches (63.8 mm) and outside diameter of 10.315 inches (262.0 mm) align with the OEM dimensions for the specified Hyundai and Kia models. The rotor mounts using a 4-lug pattern with a 100 mm bolt circle diameter and a center hole diameter of 62.5 mm.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Hyundai Accent, Kia Rio, and Rio5
• Addresses brake pulsation or vibration issues caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain braking efficiency
• Eliminates noise or squealing related to rotor surface imperfections
• Ensures compatibility with vehicles lacking ABS tone rings

Installation Notes and Tips

• Verify rotor dimensions and part number 121.50016 before installation
• Ensure mounting surfaces and hub are clean and free of debris
• Torque lug nuts to manufacturer specifications using a cross pattern
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a brake system test after installation to confirm proper operation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors line to meet OEM quality standards. While specific warranty details for part number 121.50016 are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.