All information on this site is subject to Copyrights 1998-2010 © To receive a permission use the contact.
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All information on this site is subject to Copyrights 1998-2010 © To receive a permission use the contact. |
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Copyrights 1998-2011 © |
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Remember
those wind-up toy cars you pull back & let go? What if you put one of those
springs in a bike wheel so when you stopped at a light you could get that
momentum back again? The idea is so simple – perfect for a bicycle.