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How to Identify Tire Specifications?

1 Answers

DeclanRose

07/30/25 4:04am

Here is an introduction to the methods for identifying tire specifications: 1. Most tire model markings look like: 205/55R16, and the meanings of these numbers are: (1) 205 indicates the tire section width, the unit is mm, generally the width of the tire is between 145—285mm, with intervals of 10mm. (2) 55 is the aspect ratio, which is the ratio of the tire sidewall height to the tire section width. (3) R indicates that the tire has a radial structure, and 16 is the outer diameter of the wheel, the unit is inches. 2. Letters or symbols with other special meanings: (1) "X" indicates a high-pressure tire. (2) "C" indicates a reinforced type. (3) "B" indicates a bias-ply tire. (4) "—" indicates a low-pressure tire. (5) M and S are abbreviations for Mud and Snow in English, indicating that this type of tire is suitable for use on snowy, icy, and muddy roads. 3. Some tires have arrows or the word OUTERSIDE marked on the sidewall, indicating the rotation direction of the tire.

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