This Combat All-Terrain Dirt E-bike is by Avvenire, a Canadian manufacturer of light EVs. It takes the all-terrain part seriouslyit comes with a Snow Kit that lets you convert the bike into a snowmobile. The company says the conversion process is easy and takes less than an hour. The tiny bike weighs 242 lbs, is street-legal and has a 43-mile range. Top speed is 37 mph. Power comes from a removable 72V lithium-ion battery that delivers 5,000 watts. They're taking pre-orders for $8,000 USD, knocking $2,000 off of the $10,000 price tag. They expect to deliver by the end of next month. There's no video of the conversion process, but they do have this (oddly silent) reel of the bike in action: