What does 275/55R17 109Hmean?
Tire sizes are simple to understand once you know how to read them. On this page you will find a detailed explanation of the 275/55R17 109H tire code.
275 | This number indicates the tire has a width of 275 millimeters. |
55 | This number means that your tire has an aspect ratio of 55%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width. In this case, the sidewall height is 0 millimeters. |
Radial | This letter indicates how your tire was constructed. Radial is the standard construction method for 99% of all tires sold today. |
23 | The tire size was designed to fit rims or wheels that are 23 inches in diameter. |
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