Christini's winter "fatbike" has all the appointments expected of a premium electric snow chariot: high-torque, 1,000-watt motor; 52-volt battery with a range of 50 miles; and husky, 4.8-inch-wide tires to help plow through the win-tery trails. But this beast has a trick up its frame. A switch on the handlebars engages an all-wheel-drive mechanism; flip it on and the spiral gears running through the hollow tubing start to turn, delivering power to both wheels at once and providing better traction and control on wet, snowy, and slick surfaces. If the rear wheel starts to slip, all of your e-assisted pedal strokes get transferred to the front wheel. So instead of stalling out, the Fat E-5 will crawl up and over roots, rocks, and icy patches like a yeti.
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