What Do The Numbers On A Tire Mean

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What Do The Numbers On A Tire Mean

Tire Width is the width of the tire measured in millimeters from sidewall to sidewall. The first three-digit number in the tire size refers to the tire width.. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire's width.
The tire size "P225/45R17 91V" may not mean much to the average person, but to tire geeks like us it speaks volumes. Read on to learn how to crack the tire .
The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire's width. The bigger the aspect ratio, the bigger the tire's sidewall will be.
What do the numbers mean on the sidewall of your tire? At first glance, you look at your tire sidewall and think, “'Do I need a super secret decoder ring to read .
The first number is the diameter, the second number is the width an the third is the diameter of wheel the tire fits on. For example a tire that says 32×11.50×15 is .

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