If you'd like the ease of an electric bicycle but don't want to give up your perfectly good "manual" bike, there is something you can do – you can replace your bike's existing rear wheel with the ...

It is hard not to like this idea: You replace your rear bike wheel with this special FlyKly wheel which houses a motor, a controller, and some batteries. You set the speed with a smartphone or Pebble ...

It wasn't long ago that we tried out the FlyKly Smart Wheel, a motorized rear bicycle wheel that instantly turns a regular bike into an e-bike. Given that it goes in the back, however, it's a little ...