Yesterday’s Toronto Star had an article about suspicions that a Swiss competitive rider won two stages in a recent race with a motorized bike.  Such a device exists, and looks just like a regular bike.  Ingenious.  Watch the film attached to the article.  There couldn’t be a better advertisement for this motor.

http://www.thestar.com/sports/article/817545–easy-rider-did-swiss-cycling-star-use-motorized-bike