A brake drum for utility vehicles configured to mount rotatably about an axis of rotation and including a friction section and a connection section, wherein the friction section includes a friction surface and a plurality of transmission structures, wherein the connection section comprises at least one mounting surface and a plurality of transfer structures, wherein the transfer structures engage positively and/or nonpositively in the respective complementary transmission structures so that a torque about the axis of rotation can be transmitted positively, and wherein the mounting surface serves to fix the brake drum indirectly or directly to a hub.

An eccentric wheel adjustment device includes a hub (1), an adjustment disk (2) and a release structure (3). The hub (1) has an axle portion (10) eccentrically arranged and an inner ring portion (11) formed around the axle portion (10). The adjustment disk (2) has a disk seat (20) for the hub (1) being pivotally disposed thereon and a positioning member (21) for positioning the hub (1) on the disk seat (20). The positioning member (21) has an outer ring portion (210) for aligning the inner ring portion (11) of the hub (1) in the outer ring portion (210). The release structure (3) includes a limiting block (30) and a switch member (31) driving the limiting block (30) to act so as to drive the limiting block (30) to straddle between the hub (1) and the adjustment disk (2) or to move back to the inner ring portion (11).

A brake disc assembly includes a friction ring made of a first material and a brake disc chamber made of a second material and which is secured to the friction ring. The brake disc chamber has a first connection ring with multiple first radial openings, and the friction ring has a second connection ring with multiple second radial openings. The connection rings are coaxial such that at least some of the first and second radial openings are flush with one another. A fixing pin lies in at least some of the flush radial openings to connect the connection rings. The first connection ring has at least one wall element with at least one additional radial opening paired with the circumference of the first connection ring such that the additional radial opening is flush with one of the first radial openings. The fixing pin also lies in the additional radial opening.

A braking band of a disk brake disk has a first plate and a second plate arranged joined to each other by connecting elements. The first and second plates have first and second plate outer surfaces, opposite portions of the first and second outer surfaces forming opposite braking surfaces. The braking band has a plurality of attachment portions for connecting the braking band to a vehicle hub or a bell. Each attachment portion has a connection seat. The attachment portions are spaced by recesses. Each attachment portion has an attachment portion wall having opposite side wall portions, two bottom wall portions and an inner end wall portion, and opposite first and second attachment portion surfaces. Each recess extends radially beyond the connection seat. Each side wall portion is joined to the adjoining bottom wall portion by a cylindrical bottom arch avoiding edges. Each side wall portion is joined to the adjoining inner end wall portion by a cylindrical end arch avoiding edges. Each first attachment portion surface is coplanar to the first braking surface except for the wear of the first braking surface.

Described is a brake disc, rotating about its own axis of rotation, including a brake strip, an element for supporting the brake strip and a plurality of first elements for connecting the brake strip with the supporting element which can be elastically deformed in such a way as to allow a relative movement of the brake strip with respect to the supporting element. The supporting element includes at least a first component and a second component connected to the brake strip by means of the first connecting elements. A plurality of second connecting elements of the first component and of the second component are elastically deformable in such a way as to allow a relative movement between the first component and the second component.

A brake rotor for a bicycle has a brake body formed of a first material and a cooling element with a cooling body, at least part of which is formed of a second material that has a higher thermal conductivity than the first material. The brake body has a generally annular shape with a first axial contact surface. The cooling body is coupled to the first axial contact surface. The cooling body may be in contact with the first axial contact surface around the brake body for a majority of a circumference of the heat dissipation region. The cooling body may be attached to or be an integral part of a carrier coupled to the brake body. The cooling body may include a protrusion.

A brake disk with a friction ring or to a friction ring, which comprises a PMMC (particle metal matrix composite), at least in the region of its friction surface. The friction surface of the friction ring is provided with mechanically applied microgrooves, which extend in a radial direction with respect to a circumferential direction of rotation of the friction ring, non-tangentially angled thereto.

The present disclosure relates to a brake disc including a braking part having a circular plate shape having a hollow portion and a plurality of coupling portions protruding and extending from an inner diameter surface thereof, and a hat part disposed in the hollow portion and having a plurality of insertion portions protruding laterally, in which the plurality of coupling portions is respectively coupled to the plurality of insertion portions, and the coupling portion of the braking part and the insertion portion of the hat part are joined to only one of an outboard portion or an inboard portion of the braking part. According to the present disclosure, it is possible to reduce noise occurring at a position at which the hat part and the braking part are coupled to each other and improve cooling performance.

A bicycle disc brake rotor is provided. The bicycle disc brake rotor includes a friction disc having a center axis and including a first braking surface and a second braking surface. The bicycle disc brake rotor also includes a mounting adapter attached to a bicycle wheel and coupled to the friction disc through a coupling structure, wherein the coupling structure includes a first mating surface pair comprising a first adapter surface and a first disc surface, and a second mating surface pair comprising a second adapter surface and a second disc surface.

The invention relates to a disk brake system for a vehicle, with single-sided pressure application, comprising a brake disk (1) comprising a hub portion (1.1) and a friction ring (1.2), a friction surface (1.3) of the friction ring (1.2) extending between an inner circumferential edge (1.4) and an outer circumferential edge (1.5) of the friction ring (1.2), a housing (2) with at least one piston (3, 3′, 3″) for actuating a first brake pad (4), the first brake pad (4) being configured to be pressed against the friction surface (1.3) of the friction ring (1.2) for braking, the disk brake system being devoid of an opposing brake pad opposite to the first brake pad (4). The invention also relates to a vehicle comprising at least one brake system of this type.