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What does the letter H on a tire represent?

1 Answers

DelAlice

07/29/25 5:02pm

Automobile tire H represents the speed rating of the tire, which indicates the speed at which the tire can carry a specified load under specified conditions. Tires are circular elastic rubber products mounted on metal rims that roll on the ground and are assembled on various vehicles or machinery. They support the vehicle body, cushion external impacts, achieve contact with the road surface, and ensure the vehicle's driving performance. The steps for replacing a car tire are: 1. After parking and turning off the engine, use the handbrake to secure the vehicle; 2. Place heavy objects in front of and behind the wheels to prevent sliding, and set up a triangular warning sign behind the vehicle; 3. Use a wrench to loosen the lug nuts of the tire to be replaced in a diagonal pattern; 4. Position the jack on the side of the vehicle where the tire needs to be replaced and lift the vehicle to a certain height; 5. Remove the lug nuts and take off the tire; 6. Install the spare tire or new tire and tighten the lug nuts in a diagonal pattern; 7. Lower the vehicle by releasing the jack and ensure that the lug nuts and bolts are properly tightened.

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