1.
Drum brakes: These brakes use a pair of brake shoes that are pressed against the inside of a rotating drum. The shoes are actuated by a hydraulic cylinder or air cylinder. Drum brakes are less expensive than disc brakes, but they are also less powerful and less durable.
2. Disc brakes: These brakes use a pair of brake pads that are squeezed against a rotating disc. The pads are actuated by a hydraulic cylinder or air cylinder. Disc brakes are more powerful and more durable than drum brakes, but they are also more expensive.
