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Forgotten Inventions

The Monowheel — A One-Wheeled Car

A motorcycle built inside one giant wheel that hit 90mph — if you could stop it.

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Reviewed by the CurioVault curator · 8 October 2026 · Editorial standards

The Monowheel — A One-Wheeled Car — AI illustration
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In 1931, Italian inventor Goventosa invented a motorcycle inside a single giant wheel. It could hit 90mph. The rider steered by leaning. Banned after test riders couldn't stop without falling over.

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#invention#transport

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