A bicycle, bike, or cycle is a pedal-driven, human-powered vehicle with two wheels attached to a frame, one behind the other. A person who rides a bicycle is called a cyclist or a bicyclist..
Bicycles were introduced in the 19th century and now number about one billion worldwide, twice as many as motorcars.[1]
Bike Types
Cited Sources
1. ^ DidYouKnow.cd. There are about a billion or more bicycles in the world. Retrieved 30 July 2006.
Bicycle News and Articles
- MAKE: Blog: Bicycles revolt and succumb to art (November 6, 2008)
Are there any deals or coupons on children's bicycles?(2 Answers)
A:
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References
Fast Facts
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Debut
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Origin
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China and the Netherlands
Main transportation
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May
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May 16
