TECH TIP — HOW TO MEASURE A TIRE Basic Tire Dimensions
Section Height
A Overall Diameter C 1
T
41 4
Rim Width D Rim Diameter
Section Height
Tire Sizes
Section Height
B C
• 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.