Tire Section Width and Sidewall Aspect Ratio - Tires-Easy Blog
2012-6-11u2002·u2002Tire Section Width and Sidewall Aspect Ratio. Tires-Easy June 11, 2012 Tire Sizes. The first set of numbers on your tire size is the section width. This is the width of the tire in millimeters. For passenger vehicles and trucks, the tire section width always ends in a 5 (185, 195, 205, etc.). For motorcycles, it always ends in a zero (110, 130 ...
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