Shimano Inc.

Atsushi Komatsu

Takafumi Nishino

Takehiko Nakajima

Yuta Kurokawa

Shingo Sakurai

Koji Yuasa

Satoshi Idogaki

Etsuyoshi Watarai

Kazuhiro Fujii

Yuta Mizutani

Hiroshi Tachibana

Keijiro Nishi

Yuki Kataoka

Cengiz Cesur

A bicycle rear derailleur includes a base member including a mounting portion configured to be attached to a bicycle frame, the mounting portion having a mounting opening through which a central axis of a hub axle passes in a mounting state of the bicycle rear derailleur. The mounting portion includes a single joint or is free of any joint. Also included is a movable member movably coupled relative to the base member and a linkage structure operatively connecting the movable member to the base member. Also included is at least one of a motor, a first wireless communication unit, and an electrical connector. The at least one of the motor, the first wireless communication unit, and the electrical connector are disposed on at least one of the base member, the movable member, and the linkage structure.

Bicycle rear derailleur

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. The additional operating member is movably coupled to the brake operating member. The electrical switch is to provide an electric signal in response to a movement of the additional operating member. 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. The wireless communication unit is disposed at one of the base member and the brake operating member.

Bicycle operating device

A bicycle electrical front derailleur is provided that basically includes a wireless communication unit, a movable member and an electrical actuation unit. The wireless communication unit is configured to wirelessly receive a control signal. The electrical actuation unit is configured to move the movable member according to the control signal, the electrical actuation unit including an electrical actuator having an output shaft extending downwardly in a state where the bicycle electrical front derailleur is mounted to a bicycle.

Bicycle electrical front derailleur

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.

Bicycle rear sprocket assembly

A bicycle electrical rear derailleur is provided that basically includes a wireless communication unit and an electrical port. The wireless communication unit is configured to wirelessly receive a control signal. The electrical port is configured to be detachably connected to an electrical cable.

Bicycle electrical rear derailleur

A bicycle operating device comprises a base member, an operating member, a wireless communicator, and a power supply. The base member includes a first end to be mounted to a bicycle handlebar and a second end opposite to the first end. The operating member is pivotally coupled to the base member about a first pivot axis. The electrical switch is to be activated by an input operation from a user. The wireless communicator is electrically connected to the electrical switch to wirelessly transmit a signal to an additional component in response to the input operation. The power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. The wireless communicator and the power supply are at least partially overlap with each other when viewed from a direction perpendicular to the first pivot axis.

A bicycle electric suspension comprises a first tube, a second tube, a positioning structure, an electric positioning actuator, and a telescopic controller. The first tube has a center axis. The second tube is telescopically received in the first tube. The positioning structure is configured to relatively position the first tube and the second tube in a telescopic direction extending along the center axis of the first tube. The electric positioning actuator is configured to actuate the positioning structure. The telescopic controller has a pairing signal transmission mode in which the telescopic controller transmits a pairing signal to a bicycle electric device.

Bicycle electric suspension

An electrical derailleur comprises a control unit to generate a control signal to operate at least one of an electrical bicycle seatpost assembly, an electrical suspension, and a driving unit.

Electrical bicycle operating system, electrical derailleur, and electrical seatpost assembly

A bicycle operating device comprises a base member, a brake operating member, an electrical switch, and a wireless communication unit. The brake operating member is movably coupled to the base member. The electrical switch is to provide an electric signal. 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. The wireless communication unit is disposed at the other of the base member and the brake operating member.

A bicycle control device is provided for providing a comfortable traveling environment to the rider. The bicycle control device basically includes an electronic controller controlling an operational state of an electric auxiliary drive, which assists in travel of a bicycle, based on an operational state of a suspension. The bicycle control device can be included in an electric auxiliary drive, a suspension and/or an adjustable seatpost.

Bicycle controller for assisting travel of a bicycle

A bicycle electric suspension comprises a first tube, a second tube, a positioning structure, an electric positioning actuator, and a telescopic controller. The first tube has a center axis. The second tube is telescopically received in the first tube. The positioning structure is configured to relatively position the first tube and the second tube in a telescopic direction extending along the center axis of the first tube. The electric positioning actuator is configured to actuate the positioning structure. The telescopic controller has a control mode in which the telescopic controller controls the electric positioning actuator to actuate the positioning structure, and a sleep mode in which power consumption of the telescopic controller is lower than power consumption of the telescopic controller in the control mode.

A bicycle operating device comprises a base member, an operating member, a hydraulic unit, an electrical switch, a wireless communicator, and a power supply. The base member includes a first end and a second end opposite to the first end. The operating member is pivotally coupled to the base member about a first pivot axis. At least part of the hydraulic unit is disposed closer to the second end than the first pivot axis when viewed from a first direction parallel to the first pivot axis. The power supply is electrically connected to the wireless communicator to supply electrical power to the wireless communicator. At least one of the wireless communicator and the power supply is at least partly disposed closer to the first end than the first pivot axis when viewed from the first direction.

A bicycle electric device comprises an electric actuator, a controller, and a switch. The electric actuator is configured to be operated in response to an operation of a bicycle electric operating device. The controller has a pairing mode in which the controller receives identification information of at least one electric telescopic apparatus. The switch is electrically connected to the controller to set the controller to the pairing mode based on a user input received by the switch.

Bicycle electric device and bicycle wireless control system

A bicycle operation device is provided that allows for easy operation of operation units. The bicycle operation device includes a clamp, a first operation unit and a second operation unit. The clamp is attachable to a handlebar of a bicycle. The first operation unit including an operation lever, and is coupled to the clamp. The second operation unit includes an electric switch and is attached to the clamp.

Growing community of inventors

Sakai, Japan

Atsushi Komatsu