Tyres Definitions
Rim
The linear distance between the flanges of the rim.
Section Height
Half difference between the overall diameter and the nominal rim diameter.
Nominal Section Width
The section width of an inflated tyre mounted on its theoretical rim and indicated in the
tyre size designation.
Section Width
The linear distance between the outsides of the sidewalls of an inflated tyre exluding
elevations due to labelling (marking), decorations, or protective bands or ribs.
Nominal Rim Diameter
Is a size code figure for reference purposes only, as indicated in the tyre and rim size
designation.
Overall Diameter
The diameter of an inflated tyre at the outermost surface of the tread.
Overall Width
The linear distance between the outsides of the sidewalls of an inflated tyre including
elevations due to labelling (marking), decorations, or protective bands or ribs. |