Eli5 Why do tires use air instead of solid rubber all the wsy?

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Wouldnt a solid rubber tire do the same job with no risk of punctures?

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Anonymous 0 Comments

Air pressure is easily adjustable. Hardness of rubber is not.

In addition to being way too much unsprung mass, the rubber would have to be VERY soft to provide a comfortable ride, and would therefore not last very long at all

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