Eli5: Why do bicycles have inner tubes in the tire while cars don’t have them?
In: Engineering
Not all bikes have tubes, mine doesn’t, not all cars are tubeless. The tube essentially provides an added layer of protection against puncture. Tubes are used in applications where you’re more likely to experience an issue like puncture or pulling the tire from the wheel causing the air to escape. Farm equipment and off road recreational vehicles are one application for tubes. I use them on my wheelchair and some wheelchair users use an insert to replace the tube and need for air all together. I’m not a fan of those but they do exist.
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