The rugged Moonlander fat bike is built to handle just about any terrain, thanks to a Surly 4130 CroMoly steel frame finished in a sleek, matte black paint job. Other features include: a new MWOD crank system, Microshift thumbshifters, and…you guessed it, massive 4.7-inch tires wrapped around 100mm rims. Need additional power? Then opt for a 48-Volt BionX electric motor kit, which allows the rider to cruise between 18mph and 20 mph with ease. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos of today, including an amazing compressed air-powered LEGO radial engine.