archaeohistories, Royal Enfield "Flying Flea" :
During WWII, Royal Enfield developed a bike for British army which was designed to be dropped with airborne troops with help of a parachute in an active war zone.
Weighing just 60kgs, bike had only 125cc; 2-stroke engine producing only 3.5 bhp.
📷 : British paratrooper demonstrates how "easy" it is to lift a Flying Flea, including his pack, drinking cup, and headlight with black-out hood. The motorcycle could be lifted over any obstacles it couldn't roll over.