Tech Tip — How to Measure a Tire Basic Tire Dimensions
Section Height
A
Overall Diameter
C
Rim Width D Rim Diameter
Section Width
B
Section Height
Tire Sizes
Section Height
• Size designations consist of 2 or 3 numbers separated by X, - or / • The designations for tires sold by Oregon® are explained below. • All dimensions are for inflated tires.