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What do the parameters on a tire represent?

2 Answers

DelMorgan

07/24/25 4:06pm

The parameters on a tire represent: tire brand, tire type, tire size, the degree the tire can withstand, and the production year of the tire. Taking 2205/60r1692v as an example: 1. 205 represents the tire width; 2. 60 indicates the aspect ratio, which is the tire thickness; 3. r16 is the diameter of the wheel rim; 4. 92 represents a load capacity of 630 kilograms; 5. v indicates the tire speed rating of 240 kilometers per hour. A tire is a circular elastic rubber product installed on various vehicles or machinery, mounted on metal rims, capable of supporting the vehicle body, cushioning external impacts, achieving contact with the road surface, and ensuring the vehicle's driving performance.

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DelGabriela

08/11/25 9:01am

I used to always research parameters when buying tires, which was quite interesting. The tire code like 215/65 R16, where 215 indicates the tire width in millimeters—the larger the number, the wider the tire, providing better grip but slightly higher fuel consumption. 65 is the aspect ratio, representing the percentage of the tire height relative to the tire width—a higher value offers a more comfortable ride. R stands for radial construction, which is used by most cars today. 16 is the wheel diameter in inches. The letters like T or H that follow indicate speed ratings—for example, T means a maximum speed of 190 km/h, and H is 210 km/h. There’s also a load index, such as 92, where the number corresponds to the maximum load capacity in kilograms. Knowing these details can help you choose the right tires, avoiding costly mistakes or safety risks. Last time, I mistakenly bought tires with a lower load index, and when carrying more passengers, the car felt heavy and unstable. Next time I change tires, I’ll definitely check carefully. It’s also advisable to review these codes during routine maintenance to help extend tire life.

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