The utility model relates to the technical field of a hub, particularly to a light-weight hub made of a steel-aluminum composite material. The hub includes an aluminum alloy base body, an outer bearing hole steel sleeve, an inner bearing hole steel sleeve and a plurality of bolt hole steel inserts; wherein a plurality of wheel bolt holes and brake disc bolt holes in a circumferential side of a flange of the aluminum alloy base body are provided with steel inserts; and an outer bearing outer race and an inner bearing outer race are respectively press-fitted into the outer bearing steel sleeve and the inner bearing steel sleeve in an interference manner, so as to be fixedly connected with the hub.

A bicycle rim comprises a base member, a cover member, and a spoke attachment member. The base member includes a truss structure that defines at least one opening. The cover member at least partly covers the at least one opening of the base member. The spoke attachment member is a separate member from the base member and the cover member. The spoke attachment member is non-rotatably attached to the base member.

An apparatus for a single-track motor vehicle includes a first wheel disc and a second wheel disc. The first wheel disc and the second wheel disc are configured on the wheel rim so as to be mutually spaced apart in a transverse direction parallel to the rotation axis (A) of the disc wheel, and extend from the wheel rim in the direction of the wheel hub. The wheel discs converge in the direction of the wheel hub and are connected to one another in such a manner that at least one cavity between the wheel discs and the wheel rim is formed. At least one cutout toward the at least one cavity is formed in a rim well of the wheel rim.

A rim portion of a vehicle wheel has an outer flange portion. In a region of the outer flange portion, a space portion between spoke portions is disposed on a radial-direction inner side, a first inclined surface and a second inclined surface are provided. The first inclined surface is provided on an axial-direction outer side of an outer flange outer circumferential portion. The second inclined surface is on an axial-direction outer side of an outer flange inner circumferential portion. The first inclined surface is formed to incline from the axial-direction outer side toward an axial-direction inner side as the first inclined surface extends from a radial-direction outer side end toward the radial-direction inner side. The second inclined surface is a surface formed to incline from the axial-direction inner side toward the axial-direction outer side as the second inclined surface extends from the radial-direction outer side toward the radial-direction inner side.

A wheel bearing for a motor vehicle is provided with an outer ring, an inner ring arranged at least partially inside the outer ring, and with a longitudinal axis extending in the axial direction of the outer ring and of the inner ring from a vehicle inner side to a vehicle outer side. The inner ring is provided with a flange section on its end facing the vehicle inner side having a first section at the point that is farthest from axial center of the outer ring, and with a second section which forms a contact surface for attaching a brake disk. The flange section is formed stepped in such a way, so that the contact surface for attaching the brake disk is arranged offset relative to the section of the flange section at the farthest point from the axial center of the outer ring in the axial direction toward the vehicle inner side, and so that an at least a partially circumferential projection is located on the side opposite the contact surface for attaching the brake disk.

A non-pneumatic tire includes an attachment body (11) attached to an axle, a ring member (14) including an inner rim (12) fitted onto the attachment body (11) and an outer rim (13) configured to surround the inner rim (12) from the outside in a tire radial direction, and a plurality of connecting members (15) disposed between the inner rim (12) and the outer rim (13) in a tire circumferential direction and configured to connect the rims (12) and (13) to each other, wherein at least a portion of the ring member (14) and the plurality of connecting members (15) are formed of a synthetic resin material having a bending modulus of elasticity obtained through a 3-point bending test pursuant to International Standard ISO 178 of 300 MPa or more, and a breaking strain obtained through a tension test pursuant to International Standard ISO 527-1 and 2 of 3% or more.

A method for making a carbon fiber wheel rim includes: preparing an outer supporting piece; winding a carbon-fiber yarn around the outer supporting piece to form carbon fiber layers and to constitute an engaging seat preform; connecting an inner supporting piece to the engaging seat preform; connecting a reinforcement piece to the inner supporting piece; winding a carbon-fiber yarn around an assembly of the engaging seat preform, the inner supporting piece and the reinforcement piece to form carbon fiber layers; fixing the assembly with the carbon fiber layers to form an outer frame preform; and cutting the outer frame preform and the engaging seat preform to form a trench and removing the outer supporting piece therefrom.

A carbon fiber wheel rim is disclosed. The carbon fiber wheel rim is corresponding disposed between two braking elements, and includes a rim body and a reinforcing layer. The rim body is made of a carbon fiber composites material. The reinforcing layer is disposed on a surface of the rim body, wherein the reinforcing layer is made of a fibrous veil having an isotropy.

A road wheel for a vehicle includes a central portion and a rim portion. The central portion defines a wheel axis and is formed from a first material. The central portion includes a plurality of spokes extending radially outwardly from a lug member defined by the central portion. Each of the spokes is interconnected to a link disposed at a distal end of the spokes. The rim portion is formed from a second material and defines a tubular wall being coaxial with the wheel axis. The rim portion including an interlock configured to receive the link for interconnecting the central portion with the rim portion.

A nonpneumatic tire includes an upper ring and a plurality of spokes extending from the upper ring. At least one reinforcement embedded in each spoke, wherein each reinforcement is constructed of a material that shrinks in length by 0.1% to 10% when subjected to a temperature between 38 C. to 260 C. and a pressure between 0.10 mPa to 0.70 mPa.