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hub. A hub brake can be controlled by a hand lever, or by the pedals.
Rim brake: brake pads apply pressure to the rim. The pressure is controlled with a
hand lever that is connected to the brake by a cable. Examples include direct-pull or
V-type brakes, cantilever brakes, and road or caliper brakes.
Disc brake: brake pads apply pressure to a disc mounted to the hub of the wheel . The
pressure is controlled with a hand lever that is connected to the brake by a cable or a
hydraulic hose.