Abstract: A bicycle includes front and rear disk brake units. The rear disk brake unit includes a rear brake lever unit, a rear brake disk, a rear caliper device, and a rear brake oil tube interconnecting the rear brake lever unit and the rear caliper device and having a first inner diameter. The front disk brake unit includes a front brake lever unit, a front brake disk, a front caliper device, and a front brake oil tube interconnecting the front brake lever unit and the front caliper device and having a second inner diameter greater than the first inner diameter so as to allow for approximate simultaneous clamping of the front and rear caliper devices on the front and rear brake disks, respectively, when the front and rear brake lever units are operated simultaneously.

Abstract: A hydraulic caliper brake assembly for a bicycle comprises a caliper body; a first chamber installed in the caliper body; a first piston installed in the first chamber; a second piston installed in the first chamber; an inner chamber formed between the first piston and the second piston for receiving brake oil; an outer chamber installed between the second piston and the caliper body for receiving brake oil; and an outer valve installed in the second piston for switching flowing of the brake oil between the inner chamber and outer chamber. When a small force is applied, the brake oil will flow into the inner chamber; by closing the outer valve, the first piston is pushed to have the effect of speed reduction; when the braking force is increased, by opening the outer valve, the second piston is pushed to have the effect of emergent braking.

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 bicycle hydraulic brake device includes a housing having a master cylinder, a master piston movably mounted in the master cylinder, a brake operating member and an adjustment mechanism. The brake operating member is arranged to move between a rest position and a brake actuating position and to move the master piston in response to movement of the brake operating member to the brake actuating position. The adjustment mechanism is arranged to adjust the rest position and a free stroke of the brake operating member with an initial travel position of the master piston remaining unchanged. The adjustment mechanism includes a first adjustment member that adjusts a length of a free stroke and a second adjustment member that adjusts the rest position of brake operating member without changing the length of the free stroke.

Abstract: A disk braking device suppresses warp of friction members and deterioration in reaction at the time of braking, and provides friction members with a uniform service life, where pistons are increased in number to heighten a braking force. A piston mechanism comprises pistons arranged along an outer periphery of a disk plate. The pistons are allotted to a plurality of piston portions that have different cylinder areas s1 and (s2+s3). A pad unit is divided into a plurality of pad unit portions that have different total pressure contact areas p1 and (p2+p3) corresponding to the cylinder areas s1 and (s2+s3).

Abstract: A motorcycle includes a wheel support member, a wheel, and a brake caliper. The wheel support member has a wheel mount portion. The wheel is rotatably attached to the wheel mount portion. The brake caliper is attached to the wheel support member at a location spaced from the wheel mount portion such that the brake caliper is at least substantially concealed from view by the wheel support member when the motorcycle is viewed in a direction from the wheel support member to the wheel along a rotational axis of the wheel.

Abstract: A bicycle brake apparatus comprises a securing bracket with an axle opening dimensioned to receive a bicycle wheel hub axle therethrough, a braked member that has a braking surface and is adapted to rotate with a bicycle wheel hub rotatably supported by the hub axle, a braking member adapted to contact the braking surface, and an operating unit that selectively causes the braking member to contact the braking surface. A locking unit is structured for attachment to the securing bracket, wherein the locking unit extends in an axial direction of the hub axle and is dimensioned to nonrotatably engage the bicycle frame radially inwardly of a rotating portion of the brake apparatus.

Abstract: A disk braking device for a motorcycle ensures radiation quality of a disk plate and reduces friction member abrasion of a friction member. A plurality of through-holes are formed in the disk plate and a plurality of notches are formed at peripheral edges of the disk plate. The through-holes are arranged so that one of the through-holes or less is disposed on a radial line extending from the center of the disk plate.

Abstract: A brake disk for a disk brake, in particular, for motor cycles or bicycles, includes a brake band of a first material which has a high heat resistance and an inner part (20) of a second material which has a lower density than the first material. The brake band and the inner part (20) each have a plurality of extensions, which in each case are arranged in pairs bordering one another. A plurality of connecting elements connect the brake band (10) to the inner part (20) by being received in recesses (13, 23) formed in the extensions. Thus, a divided brake disk has little deformation or wear in the region of the connection between the brake band and the inner part in combination with a low weight. Specifically, the recess (23) is formed in such a way that the connecting line (51) between the ends of the recess (23) is at an angle ? of from 15 to 85° to the tangential direction (50).

Abstract: A brake device for a motorcycle which includes a brake caliper for parking and which favorably ensures the followability of the swing arm in response to the fluctuation of a road surface. A brake caliper for braking and a brake caliper for parking are respectively arranged separately in the vertical direction with respect to the swing arm and, at the same time, are arranged in front of the rear axle. Here, the brake caliper for parking is arranged below the swing arm and the brake caliper for braking is arranged above the swing arm.

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 caliper brake including a housing, an opening in the housing, and an actuating assembly received in the opening. The actuating assembly includes an actuating lever having a cam surface and a pivot aperture, a cable bracket having a cable retaining flange, a pivot aperture, and a retaining portion, and a pin received through said pivot apertures to rotatably secure the actuating lever to the cable bracket. The retaining portion of the cable bracket acts to secure the actuating assembly in the opening of the housing without the need for mechanical fasteners. A pivot plate may also be provided, the pivot plate having a pivot aperture and a retaining portion, and is positioned on one side of the actuation lever opposite the cable bracket. A cable housing is received in a bore through the cable retaining flange, and an actuation cable is slidably positioned therein and secured at one end to the actuation lever.

Abstract: A bicycle hydraulic brake actuation device includes a hydraulic master cylinder housing having a bore, a master piston and a radial seal received in the bore a push rod and a lever. The push rod is configured to move the master piston and the radial seal between a neutral position and a braking position. The lever is pivotally attached to the housing for pivotal movement between an at rest position and a brake actuation position. The lever includes a contact surface configured and arranged to move the push rod as the lever is pivoted between the at rest position and the brake actuation position. Further, the push rod includes at least one roller configured to contact to the contact surface of the lever.

Abstract: A rear hub for a bicycle includes a shaft, a hub body mounted on the shaft and provided with two spoke mounting portions and a mounting ring, a driven member located beside the mounting ring, a brake disc mounted on the mounting ring, and a drive member engaged with the driven member. Thus, the drive member and the brake disc are located at the same side of the hub body, so that one side of the hub body is provided with the drive member and the brake disc, and the other side of the hub body is disposed at a vacant state to facilitate a rider using the other side of the hub body to have a greater inclined angle without being obstructed by the drive member and the brake disc so as to perform acrobatics easily and smoothly.

Abstract: An apparatus for coupling a bicycle disc brake rotor to a bicycle wheel hub is disclosed. The apparatus includes an adapter and a rotor retaining member. The adapter is adapted to be nonrotatably coupled to the bicycle wheel hub and to be nonrotatably coupled to the disc brake rotor. The adapter includes a plurality of axially extending protruding portions adapted to extend through the disc brake rotor to nonrotatably couple the disc brake rotor to the adapter. At least one of the protruding portions has a groove defined therein. A portion of the rotor retaining member is received in the groove in the protruding portion.

Abstract: When a vehicle speed sensor is provided as a separate unit, the vehicle sensor should be removed when a vehicle wheel is changed. A brake caliper is fitted to an upper stay and a lower stay formed at a lower part of the front fork supporting the front wheel. The sensor stay is fitted to the inside of the lower stay in the vicinity of the brake caliper. A sensor cover is fastened integrally in an overlapping manner to the outside of the sensor stay. A projection formed on the sensor cover overlaps with a fitting bolt of the brake caliper. Thus, it is not possible to remove the brake caliper without first removing the sensor cover. Further, a vehicle speed sensor is sandwiched by the sensor stay and the lower end of the sensor cover and the three members are fastened together.

Abstract: An assembly comprised of a brake disk with a hub. Webs which are adjacent to one another in the circumferential direction extend between and are anchored to the brake disk and are attached to the hub. At least two of the webs which are adjacent to one another in the circumferential direction are formed together in one piece, either from a bent section joining the webs or because adjacent segments having respective adjacent webs are attached. The webs absorb stresses between the brake disk and the hub.

Abstract: A method of varying a rest position of a one-piece lever in a hydraulic brake system. The hydraulic brake system comprises a master cylinder including a cylinder and a port, a piston received in the cylinder, the piston having a radial seal between cylinder and the piston, the piston being movable within the cylinder by a one-piece lever operatively associated therewith to selectively pressurize hydraulic fluid within the cylinder by closing the port. The hydraulic brake system further comprises a caliper in fluid communication with the master cylinder, the caliper having a pair of brake pads operatively associated with the disc received therebetween. The caliper is actuated by movement of the one-piece lever in an arc between a rest position and an engagement point with the pads in engagement with the disc. The length of the arc is variable by movement of the engagement point relative to the rest position along the arc.

Abstract: A motor-equipped hub is provided with a hub axle, a hub shell, a motor drive unit and a roller brake device. The hub shell is arranged around the outside of the hub axle, has a hub flange on an outside circumference thereof, and has a housing space on the inside thereof. The motor drive unit is housed inside the housing space and configured to rotate the hub shell with respect to the hub axle. The roller brake device is arranged within the hub shell to the outside of the housing space.

Abstract: A bicycle brake apparatus comprises a securing bracket with an axle opening dimensioned to receive a bicycle wheel hub axle therethrough, a braked member that has a braking surface and is adapted to rotate with a bicycle wheel hub rotatably supported by the hub axle, a braking member adapted to contact the braking surface, and an operating unit that selectively causes the braking member to contact the braking surface. A locking unit is structured for attachment to the securing bracket, wherein the locking unit extends in an axial direction of the hub axle and is dimensioned to nonrotatably engage the bicycle frame radially inwardly of a rotating portion of the brake apparatus.

Abstract: A hydraulic disc brake master cylinder having a bar clamp attached to a master cylinder housing allowing the attachment of the master cylinder to a handle bar along a longitudinal clamp axis. The master cylinder also includes a cylinder wall associated with the master cylinder housing extending axially along the cylinder axis. The cylinder axis is not parallel to the longitudinal clamp axis. This embodiment further includes a reservoir for hydraulic fluid which includes a first wall which first wall includes only a radial portion of the cylinder exterior. The reservoir also includes an elastomeric diaphragm. The cylinder axis and the longitudinal clamp axis lie in a plane substantially bisecting the first wall. Thus, the symmetric master cylinder lever may be disposed on either the right or left portion of a handle bar without effecting operation of the master cylinder lever by a user.

Abstract: A mounting structure for a speed reduction device of a vehicle includes a vehicle frame, a casing mounted on the vehicle frame at a casing mounting portion, a brake caliper mounted to the casing at a caliper mounting portion, a brake disc mounted on a drive axle of the vehicle, and a clamping portion mounted on the brake caliper for applying clamping force to the brake disc. The clamping portion, the caliper mounting portion, and the casing mounting portion are positioned on a substantially straight line, and are positioned substantially parallel to the direction of braking force.

Abstract: A bicycle brake apparatus comprises a securing bracket with an axle opening dimensioned to receive a bicycle wheel hub axle therethrough, a braked member that has a braking surface and is adapted to rotate with a bicycle wheel hub rotatably supported by the hub axle, a braking member adapted to contact the braking surface, and an operating unit that selectively causes the braking member to contact the braking surface. A locking unit is structured for attachment to the securing bracket, wherein the locking unit extends in an axial direction of the hub axle and is dimensioned to nonrotatably engage the bicycle frame radially inwardly of a rotating portion of the brake apparatus.

Abstract: The present invention is a spring based actuator with a leaf spring having a length, width and thickness and a coil spring positioned over the leaf spring. The coil spring further comprises: a first end; a second end; and at least one force generator acting on either the first end of the coil spring and the second end of the coil spring to deflect the coil spring and the leaf spring.

Abstract: A brake system for a bicycle includes a number of brake members constructed to engage one another, such as a rotor and a shoe or pad. At least one of the brake members includes fiber reinforcing members. The fiber reinforcing members are distributed throughout the brake member and communicate the braking loads across a substantial portion of the brake member. The braking member is further constructed to distribute the heat associated with a braking action in a generally uniform manner across the brake member. Preferably, the brake member is formed with carbon-type fibers suspended in a Bismaleimide type material. Such a construction provides a powerful, lightweight and robust brake system.

Abstract: A bicycle brake disk caliper apparatus comprises a caliper housing, a piston operatively coupled to the caliper housing so that the piston moves between a brake release position and a brake activating position, a hydraulic inlet for receiving a hydraulic fluid to move the piston, a piston activating space in fluid communication with the hydraulic inlet so that the hydraulic fluid moves the piston from the brake release position to the brake activating position, a cooling member, a cooling inlet in fluid communication with the hydraulic inlet, a heat transfer space in fluid communication with the cooling inlet, and a cooling outlet in fluid communication with the heat transfer space for communicating hydraulic fluid from the heat transfer space so that at least a portion of hydraulic fluid flows only one way from the hydraulic inlet, through the cooling inlet, and through the heat transfer space.

Abstract: A bicycle disc brake device includes a fixed member, an actuation unit and an adjustment structure. The fixed member includes a caliper housing. The actuation unit is coupled to the fixed member. The actuation unit is configured and arranged to move a friction member of the disc brake device from a release position to a braking position. The adjustment structure is operatively arranged to selectively orient the actuation unit relative to the fixed member in a plurality of fixed orientations.

Abstract: A disc brake rotor comprises an internally disposed splined surface defining a circular opening and including one or more axially disposed internal splines that are adapted to be received on external splines of a splined structure of a wheel hub, the surface including a non-continuity such as a cut-away portion of the surface into which independent splines are selectively actuable to align with the internal splines as a part of the surface to allow the rotor to be connected to or released from the hub without using any tools or the like. Preferably, the independent splines are finger actuable, and provide through a workpiece comprising a locking hammer of locking foot.

Abstract: A bicycle disc brake device includes a fixed member, an actuation unit and an adjustment structure. The fixed member includes a caliper housing. The actuation unit is coupled to the fixed member. The actuation unit is configured and arranged to move a friction member of the disc brake device from a release position to a braking position. The adjustment structure is operatively arranged to selectively orient the actuation unit relative to the fixed member in a plurality of fixed orientations.

Abstract: A bicycle disk brake rotor which is rigidly joined to the hub and can be brought into a frictional engagement with a caliper secured to the bicycle. The rotor has an inner annular region, which is joined positively and nonpositively to the hub, and an outer annular region, while the inner and outer annular region are connected by webs and the bicycle disk brake is made entirely of composite material consisting of silicon-infiltrated carbon fiber composite of a fabric structure consisting of endless fibers with a phase distribution of >60% C and 20-30% SiC.

Abstract: A composite material bicycle disc brake rotor is provided for a bicycle disc brake device and is designed to be mounted to a bicycle wheel hub directly or using a hub mounting member. The rotor basically includes a rotor member and a fastening member. The rotor member has a first ring-shaped member and a pair of second ring-shaped members disposed on opposite sides of the first member. The second members include a material with higher wear resistance than the first member. At least one fixing hole is formed through the first and second members and a depression is formed around the fixing hole on the surface of one of the second members. The fastening or tightening member is mounted through the fixing hole of the rotor member to fix the rotor member to another member.

Abstract: A disc brake which is particularly designed for arcuate travel of less than 360 degrees has sector shaped segments, i.e. segments which are not complete circles and which are interleaved into a disc pack of multiple layers, wherein some layers of the disc pack each consist of a single disc segment which is less than a complete circle. Some segments are rotatable about an axis and others are stationary and have friction brake material carried on them at a position remote from the axis of rotation.

Abstract: A disc brake pad made of multi-compounds and a manufacturing process thereof comprises a brake member compositely made of at least one frictional compound. In other words, the surface of the brake member is formed of more than two kinds of abrasion areas, for example, the surface of the brake member is made of for the frictional compound use in a wet condition and another frictional compound for use in a dry condition, such that the frictional compounds may be applied to the brake member solely or together so as to accommodate in different conditions.

Abstract: A brake disc capable of sufficiently absorbing thermal stress associated with thermal expansion and deformation of the braking section. The brake disc includes a mounting section for attachment to a wheel, a braking section located at the outside circumference of the mounting section for brake pads to be brought into sliding contact therewith, and a connecting arm section for connecting each of the plurality of mounting portions of the mounting section and the braking section. Connecting arms in the connecting arm section each extend from their respective ones of the plurality of mounting portions in one side direction different from the radial direction of the braking section to reach the braking section, and adjacent mounting portions are connected to each other at least through a connecting arm.

Abstract: A bicycle includes an electric motor for driving a hydraulic actuator for a brake caliper of a brake disc of the front wheel of the bicycle. An electronic control unit receives wheel speed information from a wheel speed sensor, input pressure information from an input pressure sensor connected to a brake lever, and hydraulic pressure information from a hydraulic pressure sensor, which measures the hydraulic pressure for the brake caliper. The electronic control unit controls the hydraulic actuator based on the wheel speed information, the input pressure information from the input pressure sensor, and the hydraulic pressure information from the hydraulic pressure sensor such that the hydraulic pressure for the brake caliper is adjusted to prevent the bicycle front wheel from locking up when input pressure is provided via the brake lever.

Abstract: A hub assembly for a disk brake of a bicycle includes a support shaft, a hub body pivotally mounted on the support shaft and provided with two drum disks, a mounting portion protruding from one of the drum disks, a threaded section protruding from the mounting portion, a brake disk resting on the end face of the mounting portion, and a chainwheel screwed onto the threaded section and pressing the brake disk so that the brake disk is clamped between the mounting portion and the chainwheel closely. Thus, the brake disk is mounted on and detached from the hub body by screwing and unscrewing the chainwheel, so that the hub assembly is assembled and disassembled easily and rapidly, thereby facilitating a user assembling and disassembling the hub assembly.

Abstract: A hydraulic brake system for two-wheel vehicles, especially bicycles, is provided. The system has a dispensing system filled with hydraulic fluid and a brake mechanism hydraulically connected to the dispensing system. The dispensing system has an equalizing reservoir and a filling and bleeding opening. The filling and bleeding opening has an insertion section arranged in a cover of the equalizing reservoir for tight holding of a bleeding and filling tool, which connects in the insertion direction to a connection chamber in the dispenser housing, which has a side boundary wall to the equalizing reservoir, and that at least one overflow opening that is open at the edge to the equalizing reservoir is provided in the boundary wall.

Abstract: There is provided a brake disc in a disc brake for a vehicle, which can be manufactured lightweight, suppress the thermal deformation and is effective to prevent the brake noises. This brake disc (2) is supported by a wheel 4 through a plurality of support members (10) and is operable to exert a braking force when sandwiched by frictional pads (8, 8). The brake disc (2) has an outer peripheral face (2b) formed with a plurality of outer recesses (11) deploying in a circumferential direction. Accordingly, the radial width (f) of the braking surfaces (9), with which the frictional pads (8) is engageable, varies in a direction circumferentially thereof.

Abstract: A motorcycle includes radial mount type disk brakes, a brake caliper of the disk brake is mounted on a lower portion of a front fork, which pivotably supports a front wheel, the wheel speed sensor is attached to a mounting boss disposed at the lower portion of one leg of the front fork so as to dispose the wheel speed sensor between the brake caliper and the wheel axle. This mounting location is desirable in terms of lowering costs and ease of brake maintenance.

Abstract: An integrated motorcycle brake system has a brake line, and an inside brake assembly having an inside piston. The brake line connects to the inside brake assembly, and the inside brake assembly integrally forms a fork leg. The outside brake assembly has an outside piston opposite the inside piston. A fluid passage between the outside brake assembly and inside brake assembly has a conduit that transmits brake line pressure to the inside and outside pistons. The four way fluid junction has a vertical bore meeting a horizontal bore where the vertical bore is plugged at a top end with a seal.

Abstract: A bicycle brake disk caliper apparatus comprises a caliper housing dimensioned and structured to be mounted to a bicycle, a piston operatively coupled to the caliper housing so that the piston moves between a brake release position and a brake activating position, a hydraulic inlet for receiving a hydraulic fluid to move the piston, a piston activating space in fluid communication with the hydraulic inlet so that the hydraulic fluid moves the piston from the brake release position to the brake activating position, a cooling member, a cooling inlet in fluid communication with the hydraulic inlet, a heat transfer space in fluid communication with the cooling inlet for engaging hydraulic fluid received through the cooling inlet with the cooling member, and a cooling outlet in fluid communication with the heat transfer space for communicating hydraulic fluid from the heat transfer space to a location so that at least a portion of hydraulic fluid flows only one way from the hydraulic inlet, through the cooling inl

Abstract: A brake disk has a disk body. The disk body has two sides, an outer periphery, a central hole, multiple through holes and multiple curved grooves. The central hole is defined through the disk body. The through holes are defined through the disk body around the central hole. The curved grooves are defined respectively in the sides of the disk body and each groove has a first end extending to the outer periphery of the disk body and a second end extending to and communicating with one of the through holes.

Abstract: An apparatus is provided for actuating a bicycle hub brake of the type having a fastening bracket adapted to be nonrotatably mounted relative to a bicycle frame, a brake drum, and a brake mechanism adapted to apply a braking force to the brake drum, wherein the brake drum rotates integrally with a bicycle hub around a hub axle. The apparatus comprises an actuating member and a rotating member. The actuating member is structured to be movably mounted relative to the fastening bracket for actuating the brake mechanism, and the rotating member is structured to be rotatably mounted relative to the fastening bracket independently of the actuating member. The rotating member includes an actuating member moving unit for moving the actuating member. The rotating member also includes a cable winding surface to wind a brake actuating cable thereon.

Abstract: A bicycle brake caliper is disclosed that includes a brake caliper, a brake pad retaining member and a cover. The brake caliper is configured to selectively apply a braking force on a bicycle brake disc. The brake caliper includes a housing that has a brake pad access opening. The brake pad retaining member is removably installed on the brake caliper and extends into the brake pad access opening. A cover is at least partially retained within the brake pad access opening of the housing by the brake pad retaining member.

Abstract: An easily mountable disc brake rotor assembly that is lightweight is provided. The bicycle disc brake rotor assembly includes a rotor and an adaptor and is mounted to the front hub of a bicycle. A caliper mounted to the bicycle's suspension fork grips the rotor. The rotor is a ring-shaped plate, which has brake surfaces that are gripped by the caliper. The adapter is mounted to the front hub and has a deformation that secures the rotor to the hub. External and internal splines on the adapter prevent the rotor from rotating and transmit a braking force exerted on the rotor to the hub, respectively.

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 disk brake apparatus comprises a disk brake rotor, a fastener structured to screw onto a threaded surface of a bicycle wheel hub so that the disk brake rotor is disposed between the fastener and the hub, and a rotation inhibiting structure disposed on the disk brake rotor to inhibit relative rotation between the fastener and the disk brake rotor.

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: An apparatus for fixing a bicycle disk brake rotor a bicycle wheel hub comprises an adapter and a rotor retaining member. The adapter is structured to be nonrotatably coupled to the bicycle wheel hub and to nonrotatably support a disk brake rotor. The adapter includes at least one insertion opening. The rotor retaining member has a latching member structured to be inserted into the insertion opening in the adapter to retain the disk brake rotor to the adapter.

Abstract: A bicycle hub comprises a hub shaft structured to be rotatably mounted to a bicycle frame, a hub shell rotatably supported relative to the hub shaft, and a brake force control mechanism housed by the hub shell. The brake force control mechanism includes a brake force adjusting mechanism that can be accessed for adjustment while the brake force control mechanism is housed within the hub shell.