A bicycle, pushbike, or bike, is a pedal-driven land vehicle with two wheels attached to a frame, one behind the other.
First introduced in 19th-century Europe, bicycles evolved quickly into their familiar, current design.
Numbering over 1,000,000,000 in the world today, bicycles provide the principal means of transportation in many regions and a popular form of recreational transport in others.
For more information about the topic Bicycle, read the full article at Wikipedia.org, or see the following related articles:
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Bicycle at Wikipedia.org. See the Wikipedia copyright page for more details.
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