The Copenhagen Wheel

Submitted by Bill St. Clair on Thu, 26 Dec 2013 15:36:01 GMT  <== Science/Technology ==> 

SuperPedestrian.org - The Copenhagen Wheel is a motor and battery attached to a bicycle wheel. It has a 50km range when charged for 4 hours, and recharges when braking or going downhill. They expect to ship in the summer of 2014. You can pre-order yours today for $800.

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