When/if the price of gas hits $10 or $12 per gallon, I'm guessing bikes like this could be popular. Nothing like being able to haul a bale of hay up a steep hill while getting over 100 mpg. After building the first version of my motorized Raleigh 20 that could haul 2 bags of groceries, I thought it would be handy to have a motorized bike that could haul lots of stuff. This one has a bed made of white cedar that measures 23" by 36" inches. As you can see in the picture above, it handles 2 tanks of propane and some sack feed well. That's a 25 lb. bag in the picture. The 49cc Dax Titan 4-stroke engine provides plenty of power for this bike, even heavily loaded up steep hills. This bike, like the Raleigh and my motorized recumbent uses a jackshaft to route both pedal and engine power through the bike's freewheel and gears. A 6-speed freewheel that works well on steep hills, yet yields high speeds on flat roads. I have yet to measure the maximum speed, but I'm sure it's over 30 mph.