: a brake that operates by the action of a frictional material pressed against the sides of a rotating disc by a caliper
Illustration of disc brake
1 caliper
2 disc
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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 Components like a rally-style single seat, monoshock at the rear, and disc brakes at both front and back (with ABS likely owing to visible sensor rings) are also clear in the filing images.—New Atlas, 17 Oct. 2025 Tektro hydraulic disc brakes, a rear Tektro derailleur, and a small LCD panel/assist level controller are included; all are typical features for an e-bike.—William Roberson, Forbes.com, 17 Sep. 2025 The bike had no trouble hitting 50mph in fifth gear, and the front and rear disc brakes provided excellent stopping power.—PC Magazine, 27 Aug. 2025 See All Example Sentences for disc brake
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