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The Monotrace, a two-wheeled French car built from 1925 to 1928. The two small side wheels were for stability at lower speeds. At least one example has survived as of 2008.
Cars

The Monotrace, a two-wheeled French car built from 1925 to 1928. The two small side wheels were for stability at lower speeds. At least one example has survived as of 2008.

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