Disc Brake brake disk set contains disks disks installed on the axle. When the car is moving disc disk rotates with the wheel. Then a device called a caliper (Caliper) commonly known as "claw brake" for the caliper is mounted by the cover onto the disc. (Does not rotate with the wheel) by Lipper. Has installed brake assembly on the left. And right of the disc And a ball pump with brake mounted. The brake hose It is equipped with a pump connected to this brake. When the brake pedal to the brake pump pressure to the brakes. Scroll through friction With voting via disc The friction