Abstract: A bicycle disc wheel includes two discs respectively formed of two composite material layers with a foam material bonded between the two composite material layers, a wheel frame arranged between the two discs in a concentric manner; and a spoke frame composed of a plurality of I-shaped ribs and sandwiched between the two discs. Each I-shaped rib is composed of a foam material and a composite material cladded on the foam material. Each I-shaped rib has a relatively wider opposite upper and lower sides and a relatively narrower middle section when it is viewed from the cross section, and the relatively wider opposite upper and lower sides of each I-shaped rib are respectively attached to the respective inner side of the two discs.

Abstract: A wheel for a vehicle includes a hub, a rim, a plurality of spokes, and a disk member. The hub includes a flange portion, a plurality of spoke pedestals, and a plurality of disk member attaching portions. The flange portion outwardly spreads in a radial direction of the hub and is provided on one end portion of the hub in an axial direction of the hub. The spoke pedestals are provided at substantially regular intervals on an inner side of the flange portion and inwardly projects from the flange portion in the radial direction. The disk member attaching portions are provided at substantially regular intervals on an outer periphery of the flange portion and outwardly projects from the flange portion in the radial direction. The disk member attaching portions are provided between the spoke pedestals in a circumferential direction of the flange portion.

Abstract: A bicycle wheel rim, the rim having an outer annular portion adapted to receive a tyre and an inner peripheral radial portion having a plurality of circumferentially arranged spoke openings wherein the inner peripheral radial portion is the braking surface.

Abstract: A bicycle hub assembly includes a hub shell defining a toothed drive member mounting hole and a locating groove, a locating member having a positioning portion accommodated in the locating groove of the hub shell, and a toothed drive member having a first locating portion fastened to the positioning portion of the locating member and a plurality of teeth. In an alternate form of the invention, the bicycle hub assembly includes a hub shell defining therein a toothed drive member mounting hole and a plug hole; a locating member having a positioning portion and a plug portion that is plugged into the plug hole of the hub shell, and a toothed drive member having a first locating portion fastened to the positioning portion of the locating member and a plurality of teeth formed therein.

Abstract: The invention relates to a bicycle component, for example a rim, comprising a body made from aluminium and a body made from composite material coupled with a first surface portion of the body made from aluminium. Such a first surface portion has been subjected to a deoxidation surface treatment. An adhesive substance has been then applied on at least part of said first surface portion for gluing the body made from aluminium to the body made from composite material. A second surface portion of the body made from aluminium has been subjected to an oxidation surface treatment with subsequent fixing of the oxide.

Abstract: A carbon fiber rim comprises a circular rim and a heat conduction layer. The circular rim comprises carbon fiber composites, and has two opposite side surfaces facing two brake pads and two opposite hooks extending outward radially to hold tires. The heat conduction layer is arranged on the side surface of the circular rim for forming a braking region facing the brake pad. The heat conduction layer comprises a porous or mesh heat conduction material. A bicycle including the aforementioned carbon fiber rim and the manufacturing method of the carbon fiber rim are also disclosed here. The carbon fiber rim can prevent distortion due to frictional heat when braking.

Abstract: A split axle wheel system for a cycle, such as a motorcycle, is provided. The split axle wheel system may include a wheel having a first side and a second side. The first side and the second side may each include a rim. A spoke array and a drive ring gear may be attached to the rim. A chain may be wrapped around the driving ring gear, which is connected to a motor to rotate the wheel. The spoke array may include an opening with a bearing inside of the opening. A split axle bracket may run through the bearing and through the drive ring gear and may attach to the swing arm assembly of the motorcycle.

Abstract: An apparatus including a bicycle wheel rim. At least a portion of the bicycle wheel rim can include a braking material. The braking material can have a roughness of about 1 micron to about 80 microns.

Abstract: A wheel for saddle-ride type vehicle is formed of a hub part, multiple spoke parts, and a rim part. The wheel includes disc attachment boss parts to which a brake disc is attached and which are provided, in a manner disposed in a vehicle width direction, integrally on one side of the multiple spoke parts, at middle portions thereof in a radial direction of the wheel. Each of the multiple spoke parts has a crotch part where one hub-side spoke part splits into two rim-side spoke parts in the vehicle side view.

Abstract: An article, such as a bicycle wheel (10), includes a substrate, at least a surface of the substrate being made of or containing a composite material comprising fibres dispersed in an organic matrix, for example a carbon fibre composite. A thermal sprayed first layer of coating material is provided on the surface, such as the braking area of the rim of the bicycle, the coating material of the first layer wholly comprising inorganic material and including at least one of the group comprising TiO2, titanate, Al2O3 and aluminate.

Abstract: A hub is provided for two-wheeled vehicles having a hub axle, a hub body, a rotatable driving device, and having a toothed disk freewheel. The toothed disk freewheel includes a pair of engagement components cooperating with one another, each having at least one axial toothing. The axial toothings are biased to an engaging position via a biasing device. The biasing device is configured as a pulling force device which pulls both axial toothings together.

Abstract: A FRP rim for a bicycle, including a radially outer tire-engaging portion and a radially inner spoke-engaging portion. A first sidewall is in a spaced configuration with a second sidewall. The first and second sidewalls extend between the radially outer tire-engaging portion and the radially inner spoke-engaging portion. A brake track is disposed on each of the first and second sidewalls including a layer of microparticles.

Abstract: An electric motor assisted bicycle is provided having a fork, a frame, a front wheel, a rear wheel, and pedals drivingly coupled to at least one of the front and rear wheels to enable human powered motion of the bicycle. The bicycle further includes a plurality of bearings uniformly spaced around a perimeter of a rim of one of the front and rear wheels and an electric motor drive system coupled to the bicycle to selectively provide electric motor assisted motion thereof. The electric motor drive system includes an electric motor coupled to the bicycle and a drive cog drivingly coupled to the electric motor, the drive cog positioned to sequentially engage the plurality bearings when driven by the electric motor to power the bicycle in a motor assisted manner. Other bicycle systems and components and related methods are also provided.

Abstract: A method and assembly for mounting an auto rim and either motorcycle or auto tire as a motorcycle rear wheel. The assembly allows tires of different widths and diameters to be used on the rear of motorcycles that have single side swing arms and standard swing arms. The method and assembly allows a left side or right side drive which can be a belt or chain. A hub with bearings and spacers are mounted with a brake rotor disk and a drive pulley in tandem to produce a hub assembly.

Abstract: A splined drive body for supporting a plurality of sprockets is disclosed. The drive body is provided with at least one composite drive body spline which consists of a first portion made up of the drive body material and a second portion made up of a different, harder material. The second portion of the composite drive body spline is an insert which includes a force receiving surface and a force transmitting surface and is operable to transmit force transmitted to it into the drive body through a force receiving surface provided on the first portion of the composite drive body spline.

Abstract: In an embodiment, a modular motorcycle hub system includes a central hub body with a first and second extension member coupling end; a brake extension member with a first hub body coupling end operable to couple with the central hub body via at least one of the first and second extension member coupling; and a pulley extension member having a second hub body coupling end operable to couple with the central hub body via at least one of the first and second extension member coupling ends.

Abstract: A motorcycle wheel assembly having a wheel with a central hub and an axle extending centrally through the hub with interior wheel bearings and at least one brake disc in abutment with the outside surface of the hub is provided with at least a wheel cover fitted onto a spacer surrounding the axle between the brake disc and the lower extremity of an adjacent fork in order to protect the wheel bearings and the mounting bolts from sand and grit. The wheel cover includes a shoulder portion on one side through which a spacer and an axle extend and an outer lip overlying the brake disc and mounting bolts.

Abstract: A cassette-based power measuring apparatus includes a power sensing arrangement mounted within a cavity defined by a hollow bicycle cassette. The power sensing arrangement includes a torque sensing assembly including torque sensing elements configured to measure a user applied torque. The torque sensing elements are in communication with an electronics assembly configured to process the measured data and transmit it to a receiver. The torque sensing assembly may comprise a torque tube or a series of bending beams secured between a rear plate of the cassette and a freehub. The torque tube or bending beams may include strain gauges bonded thereto for measuring strain induced by application of forces in response to user-applied power.

Abstract: A bicycle disc brake hub is basically provided with a hub axle and a hub shell rotatably disposed about the hub axle. The hub shell has a pair of flanges with a tubular portion extending between the flanges, and a rotor attachment portion configured to prevent an inside diameter of a disc brake rotor from increasing when the diameter of the hub axle increases. The rotor attachment portion is provided in the vicinity of a first shell end of the hub shell, and has a smaller outside diameter than the outside diameter of the tubular portion. A rotor of a disc brake device is attached to the rotor attachment portion.

Abstract: A wheel assembly for a motorcycle provides two wheel and hub assemblies which are attached together along the outer rim of the mated and aligned hubs, providing a space between the two hubs along the axle for insertion of a brake rotor and brake mechanism within the wheel assembly while also providing the brake fluid flow through axle, partially concealing the brake and rotor within the wheel assembly instead of having the brake rotor and mechanism on the outside of a motorcycle wheel.

Abstract: The present invention refers to a bicycle hub being part of the drive mechanism 1 of a BMX bicycle comprising: an axle 5, a first part 7 being seated on said axle 5 and being provided with or connected to a cog 6, a second part 8 being movable relative to said first part 7 in longitudinal and rotational direction of said axle 5, said first part 7 and said second part 8 being in contact with each other via a screw coupling provided by threads 7? and 8?, a hub body 11 being arranged around at least said second part 8, said second part 8 being provided with a first cone surface 9, said hub body 11 having a second cone 10 surface formed thereon or connected thereto, wherein said two cone surfaces 9, 10 are engageable for power transmission, wherein a cassette 6 with several sprockets 6a is connected to the first part 7.

Abstract: A motorcycle hub adapter for shaft driven motorcycles that permits a user to mount any custom wheel to a shaft driven motorcycle assembly. The adapter includes a housing that has a substantially hemispherical shape with a convex side with an opposite relatively flat opposite side. The adapter includes a central through opening extending from a round flattened end on the convex side with cooperative dimensions to receive the axle therethrough. Several peripheral annular surfaces are provided with holes to mount the brake disk rotor assembly at the farthest possible distance form the rim while other components of the motorcycle are also mounted to make them compatible with the rim assembly.

Abstract: A hub-side mounting part formed with the side surface of a wheel hub is provided so that an outer diameter thereof is larger than a diameter of a mounting pitch circle of a disc rotor. A hub-side through-hole and a rotor side through-hole, which are formed therein to be extended therethrough, respectively, are matched with each other to improve heat radiation and crosswind performance.

Abstract: A hub is configured to suppress deformation in a disc rotor even if the disc rotor is made thinner and more lightweight, and to suppress wobbling in a braking surface. The hub has a hub axle, a hub shell, a pair of bearings, and a brake mount. The hub shell has spoke attachment parts with spoke attachment holes and disposed at both ends for attaching a plurality of spokes. The brake mount has a rotor attachment unit for attaching a disc rotor of a disc brake. The rotor attachment unit is integrally formed with a first spoke attachment part and is disposed radially farther out than the minimum radial position at which the spokes are attached.

Abstract: A motorcycle wheel assembly comprising a brake hub rotatably mounted to a wheel axel. A brake disc is affixed to the brake hub rotating with the brake hub. A tire hub is rotatably carried by the brake hub carrying a tire for contacting a road surface to rotate the tire hub. A transfer gear is disposed between the tire hub and the brake hub for interconnecting the brake hub and tire hub. A center gear is carried by the brake hub for engaging the transfer gear, and a ring gear is carried by the tire hub for engaging the transfer gear so that rotation of the tire hub causes the transfer gear to counter-rotate the brake hub. Accordingly, counter-rotation of the brake disc carried by the brake hub creates a counter-rotational gyroscopic force that cancels out the gyroscopic force created by rotation of the motorcycle tire and tire hub.

Abstract: A hub adapter used to modify a bicycle wheel hub to provide for the mounting of a disc brake rotor and/or for the repositioning of the wheel spoke mount flange to accommodate the additional components of a disc brake system. The hub adapter may be fixed to the host non-disc wheel hub by fastening bolts passing through the original spoke mounting holes or by other fastening means. The hub adapter may provide standard mounting holes for a disc brake rotor to be fixed to the hub adapter with fastening bolts. The hub adapter provides alternate spoke mounting holes on an alternate spoke flange, positioned in such a way so as to provide adequate clearance for disc brake components such as the disc brake caliper assembly, or in such a way as to change the length of the spokes and to modify the wheel stiffness. The hub adapter effectively becomes integral to the host wheel hub and critical to the primary function of the wheel hub, that is transferring load from the frame to the wheel.

Abstract: The present invention provides a motorcycle wheel that includes a rim, a hub, and a spoke. The rim is adapted to receive a motorcycle tire and the hub is adapted to receive and support a motorcycle axle. The spoke extends between the rim and the hub. The spoke includes first and second walls that are separated by a distance. The first and second walls are substantially entirely unconnected to each other between the hub and the rim. The spokes are all connected to the hub substantially centered about a central plane and connected to the rim on one side of the central plane.

Abstract: Rear wheel hub of a two-wheel vehicle, secured to a tooth transmission gear and a brake disc, is noteworthy in that it is arranged so as to have in each of its two possible positions of mounting 180° apart, a toothed gear (7; 14, 15) on the side where the chain is located and the brake disc (6, 14b, 15b) on the side where the disc brake is located; such a hub comprises three interconnected parts, namely a central core (3) symmetrical relative to a transverse medial plane (P), comprising on each of its two front surfaces (3a, 3b), a same number of interfitting connecting elements (11), male or female, distributed about the axis (x, y) of the hub, and flanges (4, 5) connected respectively to the two front surfaces (3a, 3b) of the hub, one carrying the disc brake (6) and the other the toothed transmission gear (7), each of these flanges (4, 5) comprising, on its surface (4b, 5b) turned toward the associated surface (3a, 3b) of the hub (3), complementary male or female elements (12) coacting with the elements

Abstract: A bicycle brake disc hub is provided for use with tangential bicycle spokes. The bicycle hub basically has a hub axle and a hub body with a brake rotor attachment portion integral formed therewith as a one-piece, unitary member. The hub axle has a center axis extending between a first end and a second end. The hub body has an interior passageway with the hub axle being rotatably supported therein. The hub body also has a set of first spoke openings circumferentially arranged around the hub body. The brake rotor attachment portion is located at a first end section of the center tubular portion. The first spoke openings are located adjacent the brake rotor attachment portion. The first spoke openings extend through the first end section of the center tubular portion of the hub body. The brake rotor attachment portion having a plurality of through bores.