Uploaded August 2025 | Updated September 2026, 2 weeks ago

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Concept bikes can be crazy weird looks at a possible future or be hints about new models to come. Some are even intended as near-production but never make it. Technical Editor Kevin Cameron and Editor-in-Chief Mark Hoyer run down a list of 10 concept bikes that might have been and one that actually made it to the streets of America. Hybrids, superchargers, inline-sixes, alternative front suspensions, and one called "Biplane"?! And if it has four wheels but leans, is it still a "motorcycle"?

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