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How far can a run-flat tire travel with low pressure?

2 Answers

DeWillow

08/29/25 8:28am

Generally speaking, even when maintaining a speed of 80km/h with no tire pressure, the run-flat tire can still travel nearly 80 kilometers. Here is a related introduction to the advantages of run-flat tires: 1. Support and resilience: Run-flat tires have more support and resilience in the sidewalls compared to regular tires, so in the event of sudden air loss or a blowout, the rim and tire can work together to support the vehicle, reducing the danger. In contrast, if a regular tire experiences a sudden blowout or air loss, it relies solely on the rim to make contact with the ground, lacking the support of the tire, as regular tires tend to detach from the rim when they lose pressure. 2. No immediate air loss: Due to the unique construction of run-flat tires, they do not immediately lose all air when a blowout occurs, allowing the vehicle to continue driving for a certain distance even with air leakage. 3. Durability: Run-flat tires have reinforced sidewalls, which inherently enhances their durability, making them more long-lasting than regular tires.

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DelGage

09/11/25 5:53am

As a long-time driver, I pay special attention to tire maintenance. The design of run-flat tires is truly ingenious—they allow you to drive a certain distance even when punctured, typically recommended around 80 kilometers, but not much more. This is because the internal structure of the tire has reinforced layers to support the vehicle, but they wear out quickly. When driving on a flat tire, you must slow down, keeping the speed below 50 km/h, and avoid sharp turns or sudden braking. Exceeding the recommended distance may cause the tire to be completely ruined or even compromise safety. I suggest pulling over immediately if you notice low tire pressure and checking the tire pressure monitoring light. Remember to check tire pressure monthly and maintain it within the correct range—don’t wait for a problem to arise. Car manufacturers state that this distance is just an emergency standard, and actual conditions depend on factors like road conditions, vehicle load, and speed. In short, safe driving comes first.

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