How to Read Tire Size?

1 Answers
OLydia
07/24/25 9:48pm
To check the tire size, look at the sidewall of the tire. Taking the tire specification 195/55R15 as an example, it indicates a tire width of 195mm, an aspect ratio (the height of the cross-section is 55% of the width), and a rim diameter of 15 inches for a radial tire. The functions of tires are: 1. To prevent severe vibrations and early damage to vehicle components; 2. To work with the vehicle suspension to absorb shocks during driving; 3. To transmit traction and braking torque, ensuring good adhesion between the wheels and the road surface to improve the vehicle's power, braking, and off-road capabilities; 4. To support the entire weight of the vehicle, bear the load, and transmit forces and moments in other directions.
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