This Smart Wheel Makes Cycling in the City a Breeze | Mashable
As city planners and green-energy experts endeavor to find new ways to make our commutes more environmentally friendly, the popularity of bicycle-sharing has exploded in some of the world’s biggest cities. Now a new device promises to make riding around the city even more convenient by adding a smart wheel to your bicycle.
The FlyKly Smart Wheel is a circular device that provides an electric-powered pedal assist after you attach it to the back wheel of your bicycle. Once you start peddling, the motor in the FlyKly starts up, and begins making the ride easier by delivering a boost, depending on your speed. 

This Smart Wheel Makes Cycling in the City a Breeze | Mashable

As city planners and green-energy experts endeavor to find new ways to make our commutes more environmentally friendly, the popularity of bicycle-sharing has exploded in some of the world’s biggest cities. Now a new device promises to make riding around the city even more convenient by adding a smart wheel to your bicycle.

The FlyKly Smart Wheel is a circular device that provides an electric-powered pedal assist after you attach it to the back wheel of your bicycle. Once you start peddling, the motor in the FlyKly starts up, and begins making the ride easier by delivering a boost, depending on your speed.