Two fresh ideas: http://una-love.com/beat-bike.htm http://www.engadget.com/2007/10/15/switchbike-goes-from-bicycle-to-chopper-in-seconds-flat/
http://una-love.com/beat-bike.htm
http://www.engadget.com/2007/10/15/switchbike-goes-from-bicycle-to-chopper-in-seconds-flat/
