| 摘要 |
A disc brake for bicycles having a rotor mounted externally on a bicycle wheel hub and a brake housing mounted in a bracket affixed to the wheel axle wherein the brake housing has limited slidable movement in the support bracket to permit alignment with the rotor but is restrained from rotating about its own axis by a complementary opening and housing shape. The brake includes a mechanically manipulated threaded actuator to apply brake motion with a high mechanical advantage.
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