This Electrolyte “One Armed Bandit” electric assist bicycle puts the battery inside of the “Lefty” style mono-fork. The front hub motor connects directly to this battery-fork assembly.
36 volt 320 watt hour battery can provide up to 100 km of pedal assist power to the 250 watt motor, which is speed governed to 25 km/h. The bike shown here features a two speed kickback hub with a belt drive. Read about more build options from this German company over at Bike Radar: Electrolyte front wheel drive bike offers innovative style, significant weight savings.