Bicycle pumps work through the manipulation of air pressure with a piston inside a cylinder. When the lever is pulled up, the air is drawn into the cylinder. When the lever is pushed down, the air is expelled, usually in... More »

A bicycle works with rotating rubber wheels, drive chains and gears driven by pedals for speed, brakes to slow and handlebars to steer. The bicycle wheel also has spokes to distribute the forces of movement evenly around... More »

A bicycle dynamo works by converting the mechanical motion of the rotating wheel into electrical motion with the use of a magnet. The dynamo contains a permanent magnet wound with coils of insulated wire. When the magnet... More »

A bicycle works with rotating rubber wheels, drive chains and gears driven by pedals for speed, brakes to slow and handlebars to steer. The bicycle wheel also has spokes to distribute the forces of movement evenly around... More »

Bicycle rollers are a type of treadmill for a bicycle, consisting of a frame housing a set of three cylindrical rollers. Two rollers at the rear contact the back wheel of the bike, while the front wheel rests on a single... More »

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A pneumatic cylinder works by forcing air or gas into a cylinder, which moves a piston after a certain pressure is achieved. The piston is attached to another mechanism that performs the desired function of the machine. More »

A hydraulic arm works by using high fluid pressure, created by a pump, to force a piston in a cylinder to move. As a valve is opened one way, the fluid is allowed to enter the cylinder and force the piston to move. More »