A bicycle derailleur comprises a base member, a movable member, a motor unit, and a controller. The controller is configured to control the motor unit to rotate an output shaft of the motor unit at a first maximum voltage during a first shifting operation of the chain in a first shifting direction. The controller is configured to control the motor unit to rotate the output shaft of the motor unit at a second maximum voltage during a second shifting operation of the chain in a second shifting direction. The first maximum voltage is different from the second maximum voltage. The bicycle derailleur is configured to receive electricity from an electric power source configured to supply electricity to an assist driving unit.

An automatic bicycle shifter making use of a sheathed cable actuator utilizing a pulley arrangement to energize actuation cable thereof with high adaptability to single and double cable arrangement devices and provided with a gearbox employing a worm gearset for positive retention of actuated position and an encoder for accurate and programmable operation.

A control device of a gear transmission-equipped vehicle includes a power controller that starts power reduction control when it is determined that a start condition is satisfied, the power reduction control being control of reducing power transmitted from a driving source to a gear transmission. The start condition includes: a condition that a detection value of a gear position sensor that detects a current gear position of the gear transmission falls within a transition region between engagement regions corresponding to respective gear positions; and a condition that a speed difference obtained by subtracting a rotational speed of an output shaft of the gear transmission from a rotational speed of an input shaft of the gear transmission is a threshold or more.

An electromechanical control system for a bicycle has a switch device, the switch device operating a switch between at least three positions. A control communication device transmits signals responsive to operation of the switch. The electromechanical control system includes an operation device configured to respond to signals transmitted by the control communication device. Signals transmitted by the control communication device include commands to listen and commands to operate.

Provided is a shifting device for shifting of a bicycle gear, such as a hub gear, of a bicycle. The shifting device includes a main control unit and preferably a motor control unit. The device includes a shifting control unit for receiving shifting instructions from the main control unit or the motor control unit. The shifting control unit includes a processing unit and a memory, power receiving means, such as including an electrical connector, for receiving power from a battery of the main control unit and/or a drive motor battery of the bicycle, a shifting motor, such as an electric motor, such as a stepper motor for providing a shifting motion for driving a shifting assembly for actuating a gear actuator, the shifting assembly for transferring the shifting motion from the shifting motor to the gear actuator, and the gear actuator for transferring the shifting motion to the bicycle gear. The shifting control unit, by means of communication with and controlling by the main control unit of the bicycle, is configured as a subsystem of the bicycle. The shifting control unit shifts the bicycle gear at each time on the basis of shifting instructions from the main control unit or the motor control unit.

An electromechanical control system for a bicycle has a switch device, the switch device operating a switch between at least three positions. A control communication device transmits signals responsive to operation of the switch. The electromechanical control system includes an operation device configured to respond to signals transmitted by the control communication device. Signals transmitted by the control communication device include commands to listen and commands to operate.

A control system includes a pressure detector, an electrical component and an electronic controller. The control system is configured to appropriately control the electrical component in accordance with a position of a cargo disposed on a cargo bed. configured to be provided to the cargo bed of a human-powered vehicle. The electronic controller is configured to control the electrical component in accordance with a position of the cargo disposed on the cargo bed. The position of the cargo is detected by the pressure detector.

A bicycle bar end attachment includes a main body, a shoe, a compression member, a rotation member, a transmission structure and a fixing structure. The main body is insertable into a bicycle handlebar, and includes a first threaded portion. The shoe is located between an inner surface of the handlebar and the main body. The compression member includes a second threaded portion engaged with the first threaded portion and a first pressing surface contacting one end of the shoe. The rotation member includes an exposed portion accessible from outside the handlebar and a second pressing surface contacting the other end of the shoe. The transmission structure transmits rotation of the rotation member to the compression member. The fixing structure holds the shoe between the compression member and the rotation member, and moves the shoe in a radial direction of the handlebar to fix the main body to the handlebar.

A shifting system for a human-powered vehicle comprises a controller. The controller is configured to receive a driving torque and a cadence of the human-powered vehicle from at least one sensor. The controller is configured to determine a permitted shift timing based on the driving torque and the cadence. The controller is further configured to control a shift mechanism to perform a gear shift during the permitted shift timing in accordance with a permitted cadence range and a first threshold of the driving torque.

Provided is a vehicle speed-change system including the following: a transmission; a transmission case that retains the transmission; a shift mechanism that performs a speed-change operation of the transmission; and a shift actuator that operates the shift mechanism. The shift actuator includes the following: a motor; a transmission mechanism that transmits rotation of the motor; and an actuator output shaft that outputs motive power transmitted by the transmission mechanism. The shift actuator is fixed to a side surface of the transmission case, and is arranged such that at least a portion of the motor overlaps the shift mechanism in a side surface view of the vehicle.