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An attachment structure for a caliper of a disc brake assembly consisting of a caliper and a rotor. The caliper is attached to a wheel supporting portion of a cycle frame which supports a wheel with the rotor fixedly attached to the wheel and the rotor lying in a fixed plane relative to the supporti

An attachment structure for a caliper of a disc brake assembly consisting of a caliper and a rotor. The caliper is attached to a wheel supporting portion of a cycle frame which supports a wheel with the rotor fixedly attached to the wheel and the rotor lying in a fixed plane relative to the supporting portion of the frame. The supporting portion of the frame has a pair of attachment bores oriented to attach the caliper with the rotor received between a pair of brake pads advanced into and out of contact with the rotor by the caliper along a select axis. The attachment structure allows for infinite variation of the angle of incidence between the select axis and the plane of the rotor within a defined range. Attachment bolts secure the caliper to the frame with a select angle of incidence between the select axis and the plane of the rotor.

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1. A disc brake assembly attachable to a wheel supporting portion of a frame of a cycle, the disc brake assembly comprising:a rotor fixedly attached to a wheel mounted to the wheel supporting portion of the frame; a caliper receiving the rotor between a pair of brake pads, the caliper advancing at l

1. A disc brake assembly attachable to a wheel supporting portion of a frame of a cycle, the disc brake assembly comprising:a rotor fixedly attached to a wheel mounted to the wheel supporting portion of the frame; a caliper receiving the rotor between a pair of brake pads, the caliper advancing at least one of the brake pads to bring the brake pads into and out of contact with the rotor along a select axis; means for attaching the caliper to the wheel supporting portion of the frame with the angle of incidence between the select axis and a plane of the rotor being infinitely variable within a defined range, whereby the caliper can be aligned with the select axis normal to the rotor; and at least two bolts operatively associated with the attaching means to secure the caliper to the frame with the select axis aligned normal to the rotor.