What does 225/45R17 91W mean?
Tire sizes are simple to understand once you know how to read them. On this page you will find a detailed explanation of the 225/45R17 91W tire code.
|This number indicates the tire has a width of 225 millimeters.|
|This number means that your tire has an aspect ratio of 45%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width. In this case, the sidewall height is 0 millimeters.|
|This letter indicates how your tire was constructed. Radial is the standard construction method for 99% of all tires sold today.|
|The tire size was designed to fit rims or wheels that are 17 inches in diameter.|
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