German bike-maker Silverback has a new bike that incorporates a dynamo into the wheels that powers a recharging USB port on the handlebars, so you can charge your phone or tablet while you ride.
2012 MODELS - SILVERBACK TECHNOLOGIE GMBH (via O'Reilly Radar)
The Starke 1 and 2 models come with a USB port that uses power generated from a dynamo front hub to provide a charging point for gadgets like GPS units and smartphones
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