This animation demonstrates the basics of hydraulic disc and drum brakes in action. As the brake pedal is pressed, the piston in the master cylinder sends pressure (via the brake lines) to the wheel ...

Typical, medium-duty, hydraulic brake system with front discs (red circuit) and rear drums (green circuit). Boost, or assist (blue circuit), is provided by an engine-driven pump, although the power ...

Electric bicycles are a popular means of transportation that combine the advantages of traditional bikes with the benefits of modern technology to provide a gentle (or sometimes powerful) boost to the ...