What does the 225/65R17 tire mean?

1 Answers
StLuna
07/25/25 1:22am
225/65R17 tire is introduced as follows: 1. 225: Nominal section width of the tire (225mm). The section width of a tire refers to the maximum distance between the outer sides of the tire when it is inflated to the specified pressure. 2. 65: Nominal aspect ratio of the tire. The aspect ratio refers to the percentage of the tire's sidewall height relative to its width. A smaller number indicates a flatter tire shape. 3. R17: This is a radial tire, with a rim diameter of 17 inches. Note: Typically, the tire specification also includes a speed rating. The speed rating of a tire refers to the maximum speed at which the tire can carry a specified load under defined conditions. Generally, the sidewall of different tires will indicate the speed rating with an English letter, and then the corresponding maximum speed can be found in the tire speed rating comparison table based on this letter. For example, the letter H corresponds to 210KM/h in the tire speed rating comparison table.
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