disc brake

American  

Or disk brake

noun

Automotive.

1. a brake system in which a disc attached to a wheel is slowed by the friction of brake pads being pressed against the disc by a caliper.

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disc brake British  

noun

1. a type of brake in which two calliper-operated pads rub against a flat disc attached to the wheel hub when the brake is applied

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disc brake Scientific  

/ dĭsk /

1. A brake in which friction is caused by a set of pads, usually made of steel, that press against a rotating disk to slow or stop its rotation.

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Etymology

Origin of disc brake

First recorded in 1900–05

Example Sentences

It doesn’t appear to be a disc brake alignment issue, so I’m guessing it’s something to do with resistance introduced by that rear hub motor.

From The Verge • Oct. 10, 2020

The first test bike I received appeared to have a slightly warped disc brake, which caused the front wheel to rub somewhat while riding.

From The Verge • Mar. 31, 2020

The penultimate parcours took us up the cols du Telegraph and Galibier, where the midday sun and too much caution with a fully-loaded bike combined to melt my disc brake pads until just metal remained.

From The Guardian • Aug. 18, 2019

After a week of riding, with charges every few days, the bike retained it’s smooth ride and power assist but it did require a small tune up of it’s disc brake system.

From Forbes • Oct. 9, 2012

Also, the front forks are replaced by Red Baron's Factory Fork kit, which includes a 12-inch front wheel and a disc brake.

From Time Magazine Archive