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What Does the Car Tire Model Number Represent?

1 Answers

AuroraMarie

07/30/25 3:36am

Explanation of car tire model numbers: For example, a tire specification of 185/60R1491V: 185 indicates the tire width is 185mm; 60 represents the aspect ratio, which is the percentage of the tire's section height to its width, here 60%; R denotes a radial tire; 14 signifies the rim diameter in inches, which is 14 inches; 91 stands for the load index or carrying capacity index of the tire; and V indicates the speed rating of the tire. Tires are circular elastic rubber products mounted on various vehicles or machinery to roll on the ground. They are typically installed on metal rims, supporting the vehicle body, cushioning external impacts, ensuring contact with the road surface, and guaranteeing the vehicle's driving performance.

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