Disc brake Caliper Backplate Disc Pistons Wheel hub Pads Brakehose
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The basic type of disc brake, with a single pair of pistons. There may be more than one pair, or a single piston operating both pads, like a scissor mechanism, through different types of calipers - a swinging or a sliding caliper.

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How the braking system works

Modern cars have brakes on all four wheels, operated by a hydraulic system. The brakes may be di...