Tire Size Markings You must check the tire standards when purchasing a tire. If you must replace a tire, you must be aware of the tire standards and information in advance to ensure a perfect tire for your car.
ISO indication (International Standard Organization)
Indication of GSO (Gulf Standard Organization : GSO is applied to the Gulf nations in the middle east area)
TR indication (Businesses interested in the tire and wheel rim industry)
Understanding of aspect ratio (Series)
The tire series is said to be aspect ratio, and it indicates the ratio of height to the width of a tire section.
Identification of the date of manufactures
It is possible to indentify the tires to be exported to the U.S with the number of DOT(Department Of Transportation) shown on the side wall of the tires according to FMVSS(Federal Vehicle Safety Standard)