disc brake
nounUK /ˈdɪsk breɪk/
US /ˈdɪsk breɪk/
A disc brake is a part on a bike or car that helps it stop by squeezing a metal disc.
The mechanic replaced the worn pads on the front disc brake.
OTHER MEANINGS
2. A type of brake that uses a rotating disc and caliper pads to slow a vehicle.
Most modern cars use disc brakes on all four wheels.
3. A braking mechanism found on bicycles, especially mountain bikes.
He upgraded his mountain bike with a hydraulic disc brake for better control.
4. A braking system used in industrial machinery and trains.
The train's disc brake system was inspected before departure.