The invention relates to a brake disk comprising two friction rings which are connected via links and between which an air channel is configured, as well as support elements which are molded to the inner peripheral area of the brake disk and designed for engaging cams of a hub of an axle of a vehicle. Pad auxiliary islands are adjacent to the pad main portion on one or both sides. The angle of the mask to the face may be adjusted with the present invention. The first end part of the filter element comprises an axial passage configured to receive the bypass valve member slideable and sealingly. Tab members of two truss beams are respectively capable of engaging a corresponding aperture of the other truss beam to form a peak section.