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That big, long number on the side of a tire probably looks meaningless, but each number is very specific. If the number in question were “P215/65R 15 95H,” for example, here is what the second section signifies:
· 65 – aspect ratio, which is the height compared to the width. In this example, the sidewall height is 65% of the width.
· R – radial construction, as opposed to “B” for bias-ply tires, which are used for some trucks
· 15 – rim diameter (in inches)
Visit Edmund’s website for more information: http://www.edmunds.com/how-to/how-to-read-your-tire.html

Written on Monday, July 27, 2015 by Mandy Permalink |