jesus eduardo cazares gutierrez: Bicycle Parts

part	DESCRIPTION	IMAGE
Crank	The arm which connects the pedal to the bottom bracket axle.
chain	roller chain to connect the cranks to the rear wheel.
Seat post	The tubular support that holds the saddle.
seat	the seat for the pilot
stem	The part that connects the handlebars to the steerer of the fork
cog	Popular term for a rear sprocket. Then was shortened by popular usage to "cog."
lockring	Lockring A thin lock nut used to keep A threaded assembly from coming unscrewed. Conventional bottom brackets use a lockring on the adjustable cup to make it hold its adjustment.
hubs	The middle part of a wheel, to which the inside ends of the spokes attach. A hub consists of an axle, which attaches to the forkends; a shell, to which the spokes attach, and bearings to connect the axle to the shell, permitting the shell to revolve around the axle.
Headset	The bearing assembly that connects the front fork to the frame, and permits the fork to turn for steering and balancing.
Bottom bracket	The part of the frame around which the pedal cranks revolve, also the bearings and axle assembly that runs through the bottom bracket shell of the frame
rims	The outer metal hoop of a bicycle wheel. The rim does not include the spokes, or the hub
pedals	The part you put your foot on. The axles of the pedals screw into the cranks. The right pedal has a normal thread, but the left pedal has a left (reverse) thread.
nuts	A fastener with female threads, usually hexagonal on the outside to fit a suitable wrench. The male thread equivalent is called a "bolt" or sometimes a "screw."
wheels	A hub, rim, and spokes all together; may also include the tire and tube
handlebars	curved bars with handles used for steering a bicycle
grips	usually made of firm or soft plastic, foam, gel, or sometimes leather. depending on expected use or desired price. They may be simply smooth and round or molded to fit the shape of a human hand better