Can a Spare Tire Be Used as a Lifebuoy?

1 Answers
DelEmerson
07/30/25 7:55am
No. Because the spare tire has a wheel hub, which makes it difficult to remove; moreover, modern car tires are tubeless and do not provide sufficient buoyancy in water. Below is some relevant knowledge about car tires: 1. Tire classification: Can be divided into radial tires and bias tires. 2. Tread classification: Can be divided into ribbed tread tires, transverse tread tires, mixed tread tires, and off-road tread tires. 3. Size classification: Full-size spare tire: The specifications of a full-size spare tire are exactly the same as the other four tires on the car, and it can replace any tire that is temporarily or permanently unusable; Non-full-size spare tire: The diameter and width of this type of spare tire are slightly smaller than the other four tires, so it can only be used as a temporary replacement and must be used on non-driving wheels, with a maximum speed not exceeding 80km/h.
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