What Does Tire Size Represent?

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Tire size represents the dimensions of the tire. Generally, the size of the tires used on a car is printed on the sidewall of the tire. Different types of vehicles use different tire sizes. For example: In 175/70R14, 175 represents the tire width of 175mm, 70 indicates the aspect ratio of the tire section is 70%, meaning the section height is 70% of the width, R stands for radial tire, and the rim diameter is 14 inches. Tires are a crucial component of a vehicle, affecting driving stability and handling. Tires are rubber products, and rubber products will age over time with prolonged use, so tires need to be replaced regularly. Under normal conditions, tires installed on a car can be used for four years, so it is recommended that car owners replace their tires every four years.