Tire Sidewall Markings

The markings indicate the main characteristics of the tire, as well as the Tire Identification Number (TIN), which is required to confirm certification to safety standards. The TIN can be used to identify the tire in case of a recall.

1. Manufacturer or Brand Name

The manufacturer or brand name is indicated.

2. Tire Size Designation

The tire size designation is printed on the tire sidewall. This information is required when selecting replacement tires.

The meaning of the letters and numbers in the tire size designation is given below.

Example of a tire size designation:

(These numbers are given strictly as an example; the tire size designation may vary depending on the vehicle model.)

185/65R15 88H

185 - tire width in millimeters.
65 - aspect ratio of the tire cross-section height to its width, expressed as a percentage.
R - tire type code (radial).
15 - rim diameter in inches.
88 - load index. Numerical code corresponding to the maximum load the tire can carry.
H - speed rating symbol indicating the tire's speed category. For details, refer to the speed rating table in this section.