[Infographic] How Disc Brake VS. Drum Brake Work?
Disc and drum brakes offer different methods of stopping a vehicle.
21 parts to brake the best operation, you just need to see the infographic will understand.
Rotor (disc)
The rotor provides a friction surface for the brake pads to press against.
Cooling fins
Heat can negatively impact brake function. Specially designed internal fins act as a “fan” to pull cooling air through the disc.
etc...
Via Animagraffs