Description of Tire Dimensions

Static Loaded Radius:
distance from the center of the axle to the ground under the specified load and inflation pressure.

Rim Diameter:
diameter of the rim from bead seat to bead seat.

Overall Diameter:
diameter of the tire from tread surface to tread surface while inflated but unloaded.

Overall Section Width:
distance between the outer sidewalls of an inflated tire.

Rim Width:
distance between the inside of the rim flanges.

Section Height:
distance from the bead seat to the outer tread surface of the inflated tire.

Section Width:
distance between the outer sidewalls of an inflated tire, less any ornamentation or curb ribs.

Tread Width:
the width of the tread surface, designed for contact with the road.