What is the meaning of tire codes?

1 Answers
Derek
07/28/25 5:33pm
Tire codes refer to the internationally standardized tire designations, generally located on the sidewall of the tire, indicating the section width and aspect ratio percentage. The aspect ratio is the tire's cross-section height divided by the tire width percentage, measured in millimeters, including the tire type, rim diameter, followed by load index and speed rating. The main functions of tires are: 1. Supporting the entire weight of the vehicle and bearing the car's load; 2. Transmitting traction and braking torque, ensuring wheel-to-road adhesion; 3. Reducing and absorbing vibrations and impact forces during driving, preventing severe vibrations and premature damage to vehicle components, adapting to high-speed performance while reducing driving noise, ensuring driving safety, handling stability, comfort, and fuel economy.
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