Generally, there is no friction potential, so the brake efficiency is less affected by the friction factor, that is, the efficiency is more stable; The efficiency decreases less after water ingress, and it can return to normal after only one or two times of braking; Under the same output braking torque, the size and mass are smaller than that of drum brake;

The design of the brake discs is somewhat different. Some are solid, but others are hollowed out by connecting the two contact surfaces of the valve disc with fins or blades (usually as part of the casting process). The weight and power of the vehicle determine the need for the ventilation panel. "Vented" brake discs are designed to help dissipate heat and are typically used on heavily loaded front brake discs.