Section Width
Section Width
How to find your width? This three-digit number represents the width of the tire in millimeters (mm), measured from sidewall to sidewall. Since this measure is affected by the width of the rim, the measurement is done when the tire is on its intended rim size.
Aspect Ratio
Aspect Ratio
How to find your aspect ratio? The aspect ratio is the relationship of a tire's sidewall height to its section width, expressed as a percentage. In this example, the tire sidewall height is approximately 55% of the tire width. The higher the number, the taller the sidewall; the lower the number, the shorter the sidewall.
Rim Diameter
Rim Diameter
How to find your Rim Diameter? The diameter of the rim in inches.