Abstract: A bicycle hub assembly comprises a hub axle, a hub body, and a sprocket support structure. The hub axle includes an axle through-bore that has an axle minimum inner diameter equal to or larger than 13 mm. The hub body has a first body end and a second body end opposite to the first body end in an axial direction with respect to a rotational center axis. The sprocket support structure is rotatably mounted on the hub axle about the rotational center axis. The sprocket support structure includes a first torque-transmitting profile and a first externally-threaded portion. The first torque-transmitting profile is configured to transmit a rotational force. The first externally-threaded portion is configured to threadedly engage with a first internally-threaded portion of a first lock member. The first torque-transmitting profile is closer to the first body end than the first externally-threaded portion in the axial direction.

Abstract: A base member includes a first end to be mounted to a bicycle handlebar and a second end opposite to the first end. An operating member is pivotally coupled to the base member about a first pivot axis. A hydraulic unit is coupled to the operating member to operate a bicycle component in response to an operation of the operating member. At least part of the hydraulic unit is disposed closer to the first end than the first pivot axis when viewed from a first direction parallel to the first pivot axis. A wireless communicator is to wirelessly transmit a signal to an additional component in response to the input operation. A power supply is electrically connected to the wireless communicator. At least one of the wireless communicator and the power supply is disposed closer to the second end than the first pivot axis when viewed from the first direction.

Abstract: A bicycle electric system comprises a first electric component, a second electric component, and a second controller. The first electric component includes a first controller and a sensor. The first controller is configured to control an operating status of the first electric component based on an output of the sensor. The second electric component is different from the first electric component. At least one of the first electric component and the second electric component includes an electric suspension. The second controller is configured to control an operating status of the second electric component based on the output of the sensor of the first electric component.

Abstract: A bicycle operating device comprises a base member, a brake operating member, an electrical switch, and a wireless communication unit. The brake operation member is movably coupled to the base member. The brake operating member is movable relative to the base member in a first direction and movable relative to the base member in a second direction different from the first direction. The electrical switch is to provide an electric signal in response to a movement of the brake operating member in the second direction. The electrical switch is disposed at one of the base member and the brake operating member. The wireless communication unit is connected to the electrical switch to transmit a wireless signal based on the electric signal.

Abstract: A bicycle operating device comprises a base member including a first end to be mounted to a bicycle handlebar and a second end opposite to the first end. A hydraulic unit is operatively coupled to an operating member to operate a bicycle component in response to an operation of the operating member. An electrical switch is to be activated by an input operation from a user. A wireless communicator is electrically connected to the electrical switch to wirelessly transmit a signal to an additional component in response to the input operation. A power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. At least part of the hydraulic unit is disposed closer to the free end of the operating member than at least one of the wireless communicator and the power supply when viewed from the first direction.

Abstract: A bicycle operation device includes a clamp, an operation unit and a wireless communicator. The clamp is attachable to a handlebar of a bicycle. The operation unit includes a housing having an upper housing portion and a lower housing portion. The upper housing portion is located above the lower housing portion in a state in which the bicycle operation device is attached to the handlebar. The wireless communicator is configured to communicate with a bicycle component. The wireless communicator is provided on the upper housing portion.

Abstract: A bicycle electrical component assembly is basically provided with a bicycle electrical component, a power supply unit and a power supply bracket. The bicycle electrical component includes a movable member and an electrical actuation unit. The electrical actuation unit includes an electrical actuator that is operatively coupled to the movable member to actuate the movable member. The power supply unit is electrically connected to the electrical actuation unit to supply an electrical power to the electrical actuation unit. The power supply bracket is configured to mount the power supply unit to the bicycle electrical component. At least one of the power supply unit and the power supply bracket includes at least one of an electrical cable and an electrical port that is configured to be connected to an electrical cable.

Abstract: A golf ball includes: a radio frequency identification (RFID) tag including an IC chip and an antenna; a protection layer surrounding the outer periphery of the RFID tag; a relaxation layer surrounding the outer periphery of the protection layer; a core surrounding the outer periphery of the relaxation layer; and a cover surrounding the outer periphery of the core. The curing temperature of the protection layer is 80° C. or less, and the protection layer is formed with a material having a hardness of Shore D 60 or more. The relaxation layer is formed with a thermoplastic elastomer-based material having a hardness with a difference from a hardness of a surface of the core on a side contacting the relaxation layer of Shore D 20 or less. The protection layer has an outer diameter of 3 to 16 mm, the relaxation layer has an outer diameter of 21 mm or less, and the core has a thickness of 8 mm or more.

Abstract: A bicycle electrical component assembly is basically provided with a bicycle electrical component, a power supply unit and a power supply bracket. The bicycle electrical component includes a movable member and an electrical actuation unit. The electrical actuation unit includes an electrical actuator that is operatively coupled to the movable member to actuate the movable member. The power supply unit is electrically connected to the electrical actuation unit to supply an electrical power to the electrical actuation unit. The power supply bracket is configured to mount the power supply unit to the bicycle electrical component. At least one of the power supply unit and the power supply bracket includes at least one of an electrical cable and an electrical port that is configured to be connected to an electrical cable.

Abstract: A base member includes a first end to be mounted to a bicycle handlebar and a second end opposite to the first end. An operating member is pivotally coupled to the base member about a first pivot axis. A hydraulic unit is coupled to the operating member to operate a bicycle component in response to an operation of the operating member. An electrical switch is to be activated by an input operation from a user. A wireless communicator is electrically connected to the electrical switch to wirelessly transmit a signal to an additional component in response to the input operation. A power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. At least part of the hydraulic unit is disposed below at least one of the wireless communicator and the power supply in a mounting state of the bicycle operating device.

Abstract: A bicycle operating device comprises a base member, a brake operating member, an additional operating member, an electrical switch, and a wireless communication unit. The brake operating member is movably coupled to the base member in a first direction. The additional operating member is movably coupled to the base member in a second direction and in a third direction different from the first direction and the second direction. The electrical switch is to provide an electric signal in response to a movement of the additional operating member in the third direction. The electrical switch is disposed at the additional operating member. The wireless communication unit is connected to the electrical switch to transmit a wireless signal based on the electric signal.

Abstract: A bicycle component control system is basically provided with an electronic controller. The electronic controller is configured to output a control signal to operate both of a first bicycle electric component and a second bicycle electric component in accordance with a correspondence table between an operating state of the first bicycle electric component and an operating state of the second bicycle electric component. The first bicycle electric component includes one of a height adjustable seatpost and a suspension. The second bicycle electric component includes one of a gear transmission and the other of the height adjustable seatpost and the suspension.

Abstract: A bicycle operation device includes a clamp and an operation unit. The clamp is attachable to a handlebar of a bicycle. The operation unit includes a wireless communicator configured to communicate with a bicycle component and an electric switch configured to transmit a signal to the wireless communicator. The operation unit is attachable to the clamp in a manner allowing for adjustment of the position of the operation unit relative to the clamp.

Abstract: A bicycle electrical component assembly is basically provided with a bicycle electrical component, a power supply unit and a power supply bracket. The bicycle electrical component includes a movable member and an electrical actuation unit. The electrical actuation unit includes an electrical actuator that is operatively coupled to the movable member to actuate the movable member. The power supply unit is electrically connected to the electrical actuation unit to supply an electrical power to the electrical actuation unit. The power supply bracket is configured to mount the power supply unit to the bicycle electrical component. At least one of the power supply unit and the power supply bracket includes at least one of an electrical cable and an electrical port that is configured to be connected to an electrical cable.

Abstract: A dressing method of a cutting blade includes a first cutting step of causing the cutting blade to cut into a dressing board held by a holding surface of a chuck table with a cutting depth that does not surpass the length of the region of roundness in the radial direction of the cutting blade to form a cut groove in the dressing board, and a second cutting step of causing the cutting blade to further cut into the groove bottom of the cut groove formed in the first cutting step with a cutting depth that does not surpass the length of the region of roundness in the radial direction of the cutting blade to carry out cutting on the groove bottom with tracing of the cut groove.

Abstract: The present invention provides a golf ball capable of achieving a further decrease of the spin rate in the driver shot, and capable of more improving the flight distance, while maintaining high durability. The golf ball 1 of the present invention includes a core located in the center of the golf ball, a cover located outside the core and having a plurality of dimples on the surface thereof, and a metal mesh layer located between the core and the cover, wherein the metal mesh layer has a wire diameter falling within a range from 0.01 to 0.5 mm, and a mesh count falling within a range from 16 to 1000.

Abstract: A golf ball includes: a radio frequency identification (RFID) tag including an IC chip and an antenna; a protection layer surrounding the outer periphery of the RFID tag; a relaxation layer surrounding the outer periphery of the protection layer; a core surrounding the outer periphery of the relaxation layer; and a cover surrounding the outer periphery of the core. The curing temperature of the protection layer is 60° C. or less, and the protection layer is formed with a material having a hardness of Shore D 60 or more. The relaxation layer is formed with a thermoplastic elastomer-based material having a hardness with a difference from a hardness of a surface of the core on a side contacting the relaxation layer of Shore D 20 or less.

Abstract: A bicycle rear sprocket assembly comprises at least one sprocket and an internal cavity. The at least one sprocket includes at least ten internal spline teeth configured to engage with a bicycle hub assembly. The at least ten internal spline teeth have an internal-spline major diameter. The internal cavity has a maximum outer diameter larger than the internal-spline major diameter.

Abstract: A bicycle hub assembly comprises a hub axle, a hub body, and a sprocket support structure. The hub axle includes an axle through-bore that has an axle minimum inner diameter equal to or larger than 13 mm. The hub body has a first body end and a second body end opposite to the first body end in an axial direction with respect to a rotational center axis. The sprocket support structure is rotatably mounted on the hub axle about the rotational center axis. The sprocket support structure includes a first torque-transmitting profile and a first externally-threaded portion. The first torque-transmitting profile is configured to transmit a rotational force. The first externally-threaded portion is configured to threadedly engage with a first internally-threaded portion of a first lock member. The first torque-transmitting profile is closer to the first body end than the first externally-threaded portion in the axial direction.

Abstract: A method for forming a golf ball provides a core member comprising a core of a golf ball into a cavity of a mold so that the core member is supported by a movable holding pin disposed in the mold; forming a layer outside the core member by injecting a material of the layer into the cavity; and retracting the pin from the cavity into the mold during the material injection so that a portion projecting from a surface of the layer is formed by a tip of the pin, the projecting portion having a site area of at least 0.2% in relation to an entire area of the tip of the pin and having a height of at least 0.2 mm. This method can be implemented by controlling the retraction of the pin, or alternatively by using the pin having a predetermined indentation portion on the tip.