FlyKly developed a best-seller on Kickstarter. The idea is simple. An electric bicycle, which consists of only one rear wheel. This can be integrated into any standard bicycle, creating 25 km / h and 50 miles on a charge.
The weight of 4 kg is to get over because it makes driving easier anyway. Of course, it also has all the other amenities such as charging when driving downhill and comes with a smartphone app on the maximum speed can be adjusted, lock the wheel and even can be determined at any time the position of the wheel.
Electric lamp goes without saying of course the project is long financed.