Most motorcycles drive one wheel. In the late 1950s, an American inventor built one that drives both – geared so low it climbs near-vertical slopes, with hollow wheels that let it float across rivers. It's still hand-built today. . . . #OneLungRacing #2Stroke #rokon #twowheeldrive #trailbreaker #2wd #offroad #adventuremotorcycle #madeinusa #newhampshire #weirdmotorcycles #motorcyclehistory #motohistory #overland #4x4 #uniquemotorcycle #twowheels #dualsport #expedition #huntingbike #amphibious #classicmotorcycle #motoengineering #bikelife