The typical brake system consists of disc brakes that are found in the front and either disc and or brake drums in the rear linked by a system of tubes and hoses that connect the brake at each wheel to the master cylinder. Other components that are connected with the brake system are inclusive of the Parking brakes, power brake boosters plus the anti-lock system.
Ideally, when you step on the brake pedal, you are actually pressing against a plunger in the master cylinder, which then forces hydraulic oil (the brake fluid) through a series of tubes and hoses to the braking unit of each wheel. Since hydraulic fluid cannot be compressed, pushing fluid through a pipe is just the same thing as pushing a steel
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