Word forms: (regular plural) disk brakes
(Automotive engineering: Vehicle components, Brakes, steering, wheels, tires, and suspension) A disk brake is a brake in which external friction pads press onto a disk, usually by the action of a caliper. ▶ brake1, brake2
⇒ Disk brakes have one, two or four hydraulically driven pistons that force pads against revolving
rotors. ⇒ The most common disk brake parts to wear, by design, are the brake pads. ⇒ The disk brake pads must be in full contact with the rotor.
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