A bicycle frame assembly includes a first trimmed panel having a planar configuration defining a first plane and a second trimmed panel having a planar configuration defining a second plane. The first and second trimmed panels have a predetermined shape configuration and are positioned such that the first plane and second plane intersect. The bicycle frame assembly includes trimmed panels that include planar panels that define two, four, or even six planes.

A track racing bicycle having a head tube and/or down tube with asymmetrical left and right sides. A left side of the head tube and/or down tube may be closer to a central plane of a frame of the track racing bicycle for aerodynamic purposes. Moreover, the drivetrain may be disposed on the left side of the frame instead of the right side. Also, a rear wheel of the track racing bicycle may have a mechanism for mitigating or prohibiting forward slip of the rear wheel in the rear dropouts.

An inverted tube bike frame with bottle opener gusset system is a bicycle frame with the top tube and down tube having a heightened profile with concave sidewalls and a bottle opener gusset strengthening the joint between the seat tube and the top tube. The top tube has a downwardly curved design for added mechanical strength. Other tube-members of the frame have an elongated elliptical cross-section for increased strength and impact damage resistance. The wheel base is wider than that of a standard bicycle adding to forward movement stability and rider comfort. The design of the frame provides added strength and increased frame life with rugged service.

A composite laminate includes two composite layers, at least one metal mesh of high strength and high capability of absorbing impact energy, and multiple unidirectional fibrous layers, wherein the metal mesh and the unidirectional fibrous layers are disposed between the two composite layers. By adding the metal mesh to a composite laminate for making parts, such as front forks, frames, and seat posts of bicycles, an interlocking structure can be formed in the composite laminate. Due to the metal mesh having high strength and toughness, a part being formed of the composite laminate will have a high strength and an enhanced impact resisting capacity and thus can be prevented from brittle fracture. Furthermore, with the metal-reinforced composite laminate, a failure of the part can be warned at an earlier time, so that the part can be prevented from catastrophic damages, thus ensuring safety for users.

An aerodynamic front fork assembly for a bicycle may include an elongated crown portion extending from a steerer tube to a distal end behind a front wheel, with one or more fork blades projecting in a generally forward direction from the distal end of the crown portion to engage the front wheel. The crown portion may substantially fill the gap between the front wheel and the down tube of the bicycle, thereby collectively forming an airfoil with the front wheel and the down tube.

Provided is a thin collapsible two-wheeled vehicle including: a pair of left and right mounting members provided to the main body frame to mount the rear wheel; wherein the pair of mounting members are each provided with a through hole penetrating each of the pair of mounting members respectively in left and right directions of the mounting members; the main body frame has a storage room therein, the storage room capable of storing the front wheel, the rear wheel, the saddle, and the handle; the rear wheel has an axle capable of moving within the through hole between a first mounting position and second mounting position; the rear wheel protrudes from the main body frame when the axle is mounted at the first mounting position, and the rear wheel is stored in the main body frame when the axle is mounted at the second mounting position.

To provide a moving device that can be used as a mobility device to transport objects and can be improved in portability. The moving device that is movable with rotation of wheels includes a body unit inflated by injection of fluid and deflated by discharge of the fluid, a support body provided on a predetermined surface of the body unit, and the wheels provided in the support body, wherein the interior of a predetermined portion of the body unit that receives a load from an object contacting the body unit is formed with a drop-stitch structure, and the drop-stitch structure after injection of the fluid has tensile forces in directions approximately perpendicular to the direction of the load applied to the predetermined portion by the object.

To provide a moving device that can be used as a mobility device to transport objects and can be improved in portability. The moving device that is movable with rotation of wheels includes a body unit inflated by injection of fluid and deflated by discharge of the fluid, a support body provided on a predetermined surface of the body unit, and the wheels provided in the support body, wherein the interior of a predetermined portion of the body unit that receives a load from an object contacting the body unit is formed with a drop-stitch structure, and the drop-stitch structure after injection of the fluid has tensile forces in directions approximately perpendicular to the direction of the load applied to the predetermined portion by the object.

An arrangement for a bicycle frame including a housing for a member, the housing being connected to or a part of a first bicycle frame part, characterized in that the arrangement further includes a member at least partly insertable into the housing, the member being interlocked in place by another housing connected to or a part of a second bicycle frame part, wherein the housings are situated such that at least one of the housings is adjacent to a seam of the first and second bicycle frame parts adjoined together and further such that the member when inserted to the housings crosses transversally the adjacent seam. A bicycle frame and a corresponding method of manufacture are also presented.

An arrangement for a bicycle frame including a housing for a member, the housing being connected to or a part of a first bicycle frame part, characterized in that the arrangement further includes a member at least partly insertable into the housing, the member being interlocked in place by another housing connected to or a part of a second bicycle frame part, wherein the housings are situated such that at least one of the housings is adjacent to a seam of the first and second bicycle frame parts adjoined together and further such that the member when inserted to the housings crosses transversally the adjacent seam. A bicycle frame and a corresponding method of manufacture are also presented.