Probably ever since bicycles were first invented, people have been looking for alternatives to the traditional approach of pedalling in circles. Los Angeles-based inventor Rodger Parker has utilized one such alternative in his NuBike, which he claims is more efficient than a chain-drive bike.
.. Continue Reading Eye-catching NuBike swaps the chain for drive leversCategory: Bicycles
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from New Atlas (Gizmag) http://bit.ly/2Di5wcl
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