What does the tire code 225/65r17 102h mean?

1 Answers
DeCarson
07/25/25 12:09am
The tire code 225/65r17 102h represents the following specifications: 1. 225 indicates the tire width of 225mm; 2. 65 represents the aspect ratio of 65%; 3. R stands for radial tire construction; 4. 17 denotes the rim diameter of 17 inches; 5. 102 is the load index; 6. H indicates the speed rating. The international standard tire specification generally consists of six components: "tire width (mm) + aspect ratio (%) + tire type code + rim diameter (inches) + load index + speed rating code". Below are the meanings of each part of the tire specification: 1. Tire width: This is a factor affecting the vehicle's fuel consumption performance. 2. Aspect ratio: This is the main factor influencing the vehicle's responsiveness to road conditions, calculated as the percentage of tire height to width. 3. Tire type code: Common codes include "X" for high-pressure tires, "R" and "Z" for radial tires, and "-" for low-pressure tires. 4. Load index: This represents the maximum load capacity of a tire in coded form, indicating its load-bearing capability. 5. Speed rating: This indicates the maximum speed limit for the tire, exceeding which may cause a blowout.
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