The brake disc is a round plate that rotates when the car moves, and belongs to the disc brakes.
Brake caliper is used to clamp the brake disc to produce braking force. Its relative rotating brake disc is fixed. When you step on the brakes, it clamps the brake disc to slow down or stop. The brake disc, also known as the brake disc, works in conjunction with the brake pads for use in automotive braking systems.
Disc brakes on both sides of the brake disc has a flat brake shoe, when the brake total pump pressure to the cylinder, so that brake shoes clamped to the brake disc to achieve the effect of brake tight. Disc brakes are generally used for front wheels, and some advanced car device four-wheel disc brake, its advantages are sensitive, good heat dissipation, do not need to adjust the brake clearance, easy maintenance.