Gadget you Want

YikeBike is the world’s lightest electric folding bicycle that is small enough to fit inside a backpack when not in use.

Powered by 1.2 kW electric motor, this bike has a top speed of 20 km/h, weighs less than 10 kg (22 lb), folds in less than 15 seconds, and can travel a distance of 10 km on a single charge

from :

http://www.yikebike.com/