Nominal width of tire in millmeters

Aspect ratio is the ratio of height to width of tire section, expressed as in percentage. For example, a flattening ratio of 70 means that the section height is about 70% of its width.

Rim diameter in inches

DOT Tire identification: 11 represents the number of weeks in the year, 18 represents the year, and 1118 represents production at the 11th week of the year 2018.