Mountain biking is a different sport than road biking. It uses a bike that, while bearing a resemblance to the road bike, is completely different in many ways. By clicking below on each of the image links, you may get more in-depth information about the parts and components of a bicycle.
	Bearing: -Contains small steel balls which enable the wheel to move smoothly. Also situated in the bottom bracket, pedals and handle bars.
	Chainwheel: -In a mountain bike, there are normally three.
	Crank: -On the frame, helps the pedals turn.
	Pedal: -You push the pedals with you feet, powering the bike. (Did we really need to tell you that?)
	Frame: -Smaller than on road racing bikes. This makes it stronger and easier to control. The vertical tubes are also less upright for added comfort and smoother steering.
	Freewheel/Gear Cable: -Freewheel contains five, six, or seven sprockets. -Gear cable connects the hear lever to the chainwheel or freewheel gear systems. Covered in a plastic tube called the housing.
	Handlebar: -Also known as the stem.
	Grip/Handlebars: -Handlebars normally are a flat design, with a slight curve.
	Nipple/Spoke: -The nipples are tiny tubes at the beginning of the rim which hold the spokes.
	Rim: -Made of aluminum for light weight.
	Seat/Seat Post: -Height can be adjusted. Normally lowered for downhill riding.
	Shocks: -Replacement for the normal fork that has either air-oil or air-damper and work to absorb vibration from riding. Can be engineered for the back of the bike also.
	Sprocket/Derailer Gear System: -So-called because the chain is thrown from one sprocket or chainwheel to the next; in other words, de-railed.
	Top Tube: -Positioned low so it is less dangerous if you fall.
	Wheel: -Normally approximately 66cm (26in.) in diameter.
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