Revealed at this year's Geneva Motorshow along with the Smart Fortwo, comes an e-bike to match. Sporting a 500-watt hub motor, four-piston brake system, weight-optimized cranks and pedals, a carbon fiber seatpost, four-spoke carbon fiber wheels, a custom-made iPhone holder, and weighing in at ten percent less than a regular e-bike, with a top speed of 25mph, the collaboration bike  between Brabus and Smart  is the bike of the future.