disc brake 
noun
A type of vehicle brake employing the friction of pads against a disc which is attached to the wheel.In addition, the plant produces corner modules, disc brake calipers, drum brakes and wheel cylinders....
- This has in turn brought about an increase in wheel size, to get the larger disc brake and its calliper inside the wheel rim.
- The hydraulic disc brake features a one-piece forged caliper, an opposed two-piston design and a center lock system.