: a brake that operates by the action of a frictional material pressed against the sides of a rotating disc by a caliper compare drum brake
Illustration of disc brake
1 caliper
2 disc
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Those dinky 15-inch alloy wheels all boast disc brakes, too, but the car itself is front-wheel drive.—Julian Chokkattu, Wired News, 1 Nov. 2025 Our Pioneer 1000-5 Trail Edition side-by-side came fully equipped with four-wheel disc brakes, fully independent double-wishbone suspension, electric power steering and quick flip seating, with two seats in the cargo bed that fold flat when not in use.—Marc D. Grasso, Boston Herald, 23 Oct. 2025 Effective stopping power is provided by Tektro HD-M275 hydraulic disc brakes with 160-mm rotors.—New Atlas, 22 Oct. 2025 Ruf also reinforced the 911S’s chassis and equipped it with a Bilstein suspension, a G50 rear torsion tube, and 930 disc brakes.—Bryan Hood, Robb Report, 17 Oct. 2025 See All Example Sentences for disc brake
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