Usless Tire info...
Revolutions Per Mile
The revolutions per mile indicates the number of times the tire revolves while it covers the distance of one mile. Depending on the tire manufacturer, revolutions per mile may be either measured in a laboratory or derived from a calculation based on previous test experience. Max Load, Max. Inflation Pressure,
Tread Depth, Rim Width Range, Measuring Rim Width, Section Width, Tread Width, Overall Diameter.