Only one that I ride. then my wife has a three-speed that she doesn't ride... and I have two others that I found that I'm going to paint and sell as "Art Bikes".
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"Think of bicycles as rideable art that can just about save the world". ~Grant Petersen
Cyclists fare best when they recognize that there are times when acting vehicularly is not the best practice, and are flexible enough to do what is necessary as the situation warrants.--Me