An All-Wheel-Drive Motorcycle?

Steve Christini's first all-wheel-drive bike—his senior mechanical engineering project from Villanova—hangs near the main entrance ofChristini's shop in downtown Philadelphia. That first bike used a series of chains, shafts, and pinions to transfer power to a suspended, steerable front wheel. His latest two-wheelers—a line of all-wheel-drive off-road racing motorcycles—get power to their front wheels in much the […]

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