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gears are on bikes, and in a clock. In a clock it turns around
and around when you turn the back of it you are turning the
clock.On a bike gears are on the pedals when you move your legs
up and down the gexternal image 001.jpgears are going around and around turning.

1. http://bicycleuniverse.info/eqp/gears.html
2. http://adventure.howstuffworks.com/bicycle4.htm
A gear makes a bike work and move. A gear goes on a bike. A gear makes the wheels move. The faster you move the peals the faster the bike goes. The gear works with the peals. There are five different gears on a bike. There mite be a small gear and a big gear. The big gear will go on a big wheel of a bike and the small gear will go on a small wheel of a bike.