: 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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Also, the 220mm front and rear hydraulic disc brakes with twin-piston calipers have excellent power and feel at the lever, adding to the feeling of control while riding at speed or off pavement.—William Roberson, Forbes, 7 Mar. 2025 Rounding out the key specs are Tektro hydraulic disc brakes with a 203-mm rotor to the front and 180 mm out back.—Paul Ridden, New Atlas, 3 Mar. 2025 Front-wheel drive, disc brakes, and hydropneumatic suspension combined exemplary handling and safety with supreme comfort.—Raphael Orlove, Robb Report, 27 Feb. 2025 And the front and rear hydraulic disc brakes with 180mm rotors worked extremely well, even going downhill, without any squealing whatsoever.—Scott Kramer, Forbes, 24 Dec. 2024 See All Example Sentences for disc brake
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