The dimensions are 180/55-17. That means it has a width of 180mm, a profile of 55, and can be fitted on a 17" diameter rim. The profile of the tires, which is the height of the tire's sidewall, is always referred to as a plain number without a unit of measurement because it is a percentage of the width. For example, a 180/55 tire has a width of 180mm and a profile of 55, which means it has a profile of 180 x 0.55 = 99mm.

The load index and speed index are two other important characteristics of tires. Specifically, the load index is the maximum load under which the tires are expected to operate correctly and is described by an integer, which corresponds to kilograms, while the speed index is the maximum speed under which the tires are expected to operate correctly and is described by a letter from the English alphabet, which corresponds to km/h. It should be noted that the maximum kilograms, to which the load index corresponds, are referred to per tire.