Abstract: A control device for a human-powered vehicle including a motor that applies a propulsion force to the human-powered vehicle, a crank axle, a driving wheel, and a transmission that automatically changes a transmission ratio of a rotational speed of the driving wheel to a rotational speed of the crank axle in accordance with a travel state of the human-powered vehicle. The control device includes an electronic controller that controls the motor in accordance with a human driving force input to the crank axle. The controller changes an assist state related to at least one of an assist ratio of an assist force by the motor to a predetermined human driving force and the assist force by the motor in accordance with the human driving force and controls the transmission to maintain the transmission ratio upon determining a parameter related to the human driving force satisfies a predetermined condition.

Abstract: A bicycle component controller is basically provided with a processor. The processor is configured to perform a gear shift control based on a sprocket assembly information of at least one sprocket assembly. The sprocket assembly information at least includes a single shifting distance and shifting gate information. The single shifting distance corresponds to an axial spacing between adjacent sprockets of the at least one sprocket assembly.

Abstract: A drive train comprises a sprocket arrangement and a force-transmission coefficient. The sprocket arrangement includes a plurality of rear sprockets and a plurality of gear ratios respectively corresponding to the plurality of rear sprockets. The plurality of gear ratios includes a largest gear ratio and a smallest gear ratio. The sprocket arrangement includes at least one individual sprocket-space provided between two adjacent rear sprockets among the plurality of rear sprockets. The force-transmission coefficient is obtained by dividing a total gear range quotient by a total number of the at least one individual sprocket-space. The force-transmission coefficient is equal to or larger than 0.97 and is equal to or smaller than 1.36. The total gear range quotient is obtained by dividing the largest gear ratio by the smallest gear ratio.

Abstract: A human-powered vehicle control device controls the transmission that changes the transmission ratio of a human-powered vehicle. The control device includes an electronic controller that switches between a first control state for controlling the transmission to change the transmission ratio in accordance with a first prescribed set of conditions, and a second control state for controlling the transmission to suppress the change of the transmission ratio as compared with if the electronic controller is in the first control state, in accordance with at least one of a steering state of the human-powered vehicle, a surface condition of a travel path on which the human-powered vehicle travels, and a pedaling preparation state related to the pedals of the human-powered vehicle.

Abstract: Provided are an output device, a method for generating a machine learning model, and a computer-readable storage medium for properly controlling a human-powered vehicle so as to travel comfortably for a long time by using a machine learning model. The output device includes an acquisition unit that acquires input information related to traveling of a human-powered vehicle, and a processor configured to train a machine learning model in accordance with an index value indicating electric power consumption efficiency in a power supply device for supplying electric power to a component of the human-powered vehicle, and to output output information related to controlling the component when the input information is inputted.

Abstract: A human-powered vehicle includes a crank axle, a first rotational body, a wheel, a second rotational body, a transmission body that transmits a driving force between the first rotational body and the second rotational body, a derailleur configured to operate the transmission body to change a transmission ratio, and a motor configured to drive the transmission body. A control device has an electronic controller configured to control the motor and drive the transmission body with the motor so as to change at least one of a rotational angle of the motor and an output torque of the motor in correspondence with a state of the human-powered vehicle upon determining the derailleur has been actuated to change the transmission ratio and a predetermined condition related to pedaling is satisfied.

Abstract: A human-powered vehicle control device controls the transmission to initiate a shifting operation based on a set of prescribed conditions that changes the transmission ratio of a human-powered vehicle. The control device includes an electronic controller that switches between a first control state for controlling the transmission to change the transmission ratio in accordance with a first prescribed set of conditions, and a second control state for controlling the transmission to prevent the change of the transmission ratio as compared with if the electronic controller is in the first control state. The electronic controller switches between the first control state and the second control state in accordance with a detection of at least one of a steering state of the human-powered vehicle, a surface condition of a travel path on which the human-powered vehicle travels, and a pedaling preparation state related to the pedals of the human-powered vehicle.

Abstract: A human-powered vehicle includes a crank axle, a first rotational body, a wheel, a second rotational body, a transmission body that transmits a driving force between the first rotational body and the second rotational body, a derailleur configured to operate the transmission body to change a transmission ratio, an electric actuator configured to actuate the derailleur, and a motor configured to drive the transmission body. A control device has an electronic controller configured to control the motor and drive the transmission body upon determining the derailleur has been actuated with the electric actuator to change the transmission ratio and a predetermined condition related to pedaling is satisfied. The electronic controller is configured to control the electric actuator so as not to change the transmission ratio until a first condition related to shifting is satisfied in a case where the derailleur is actuated.

Abstract: A human-powered vehicle includes a crank axle, a first rotational body, a wheel, a second rotational body, a transmission body that transmits a driving force between the first rotational body and the second rotational body, a derailleur configured to operate the transmission body to change a transmission ratio, a motor configured to drive the transmission body and an electric actuator configured to operate the derailleur. A control device has an electronic controller configured to control electric actuator and the motor. The electronic controller is configured to control the electric actuator and drive the transmission body with the motor so that the transmission ratio is changed in a predetermined shifting range in upon determining the derailleur has been actuated to change the transmission ratio and a predetermined condition related to pedaling is satisfied.

Abstract: A control device includes an electronic controller that controls a motor of a human-powered vehicle. The electronic controller outputs a signal to change a transmission ratio by operating a linking body with a derailleur while driving the linking body with the motor where a first condition related to pedaling is satisfied. The first condition relates to at least one of a pedal state, a human driving force input to the pedal, a crank arm state, a human driving force input to the crank arm, a crank axle angular acceleration, a rotational state of a first rotational body, a tire state, a rotational state of a second rotational body, an operational state of the linking body, an operational state of the derailleur, a rotational state of the motor, an electric energy supplied to the motor, a handlebar state, a saddle state, and positional information of the human-powered vehicle.

Abstract: A control device is provided to a human-powered vehicle. The control device includes an electronic controller. The electronic controller is configured to control an air pressure of a tire provided to the human-powered vehicle, based on at least one of a roughness of a road surface on which the human-powered vehicle is traveling or will travel, a slope state related to an advancing direction of the human-powered vehicle, a wet state of a road surface, a traveling state of the human-powered vehicle, and a state of a component mounted on the human-powered vehicle.

Abstract: A bicycle component controller is basically provided with a data storage device and a processor. The data storage device contains sprocket assembly information of at least one sprocket assembly. The processor is configured to perform a gear shift control based on the sprocket assembly information. The sprocket assembly information of the at least one sprocket assembly at least includes a total sprocket number and shifting gate information. The single shifting distance of the sprocket assembly information corresponds to an axial spacing between adjacent sprockets of the at least one sprocket assembly.

Abstract: A drive train for a human-powered vehicle comprises a drive unit, a sprocket arrangement, and a total gear range quotient. The drive unit includes a motor configured to impart propulsion to the human-powered vehicle. The sprocket arrangement is operatively coupled to the drive unit. The sprocket arrangement comprises a plurality of rear sprockets and a plurality of gear ratios respectively corresponding to the plurality of rear sprockets. The plurality of gear ratios includes a largest gear ratio and a smallest gear ratio. The total gear range quotient is obtained by dividing the largest gear ratio by the smallest gear ratio. The total gear range quotient is larger than 5.

Abstract: A motorized component of a human-powered vehicle includes an electric actuator and controller circuitry configured to control the electric actuator. At least one of the electric actuator and the controller circuitry is configured to be electrically connected via an electric cable to a remotely located power source configured to supply electricity to an assist drive unit configured to assist pedaling. The motorized component is other than a rear derailleur.

Abstract: A control device including an electronic controller for controlling a human-powered vehicle. The electronic controller is configured to control an adjusting device that is configured to adjust a seat height of the human-powered vehicle upon determining the human-powered vehicle is being stopped while traveling uphill.

Abstract: A human-powered vehicle includes a crank axle, a first rotational body, a wheel, a second rotational body, a transmission body that transmits a driving force between the first rotational body and the second rotational body, a derailleur configured to operate the transmission body to change a transmission ratio, and a motor configured to drive the transmission body. A control device has an electronic controller configured to control the motor and drive the transmission body with the motor upon determining the derailleur has been actuated to change the transmission ratio and a predetermined condition related to pedaling is satisfied, and control the motor to increase a rotational speed of the motor as a difference of a first rotational speed, which is calculated in correspondence with a rotational speed of the wheel and the transmission ratio, and a predetermined rotational speed or a rotational speed in a predetermined range increases.

Abstract: A bicycle component controller is basically provided with a data storage device and a processor. The data storage device contains sprocket assembly information of at least one sprocket assembly. The processor is configured to perform a gear shift control based on the sprocket assembly information. The sprocket assembly information of the at least one sprocket assembly at least includes a total sprocket number and shifting gate information. The single shifting distance of the sprocket assembly information corresponds to an axial spacing between adjacent sprockets of the at least one sprocket assembly.

Abstract: An electrical device for a system of a human-powered vehicle comprises a controller. The controller is configured to selectively act, based on reference information relating to the system, as each of a master controller and a slave controller. The master controller is configured to transmit a first control signal to a different slave controller of a different electrical device of the system. The different slave controller is configured to be operated in response to the first control signal. The slave controller is configured to be operated in response to a second control signal transmitted from a different master controller of a different electrical device of the system.

Abstract: A human-powered vehicle control device for a human-powered vehicle includes an electronic controller configured to control a motor, which applies a propulsion force to a human-powered vehicle, in correspondence with a human driving force input to the human-powered vehicle. The electronic controller is configured to control the motor so as to increase an assist force produced by the motor for when an output of the motor is maximal upon determining a parameter related to at least one of a vehicle speed of the human-powered vehicle, an inclination angle of the human-powered vehicle, and a travel resistance of the human-powered vehicle has increased.

Abstract: A control device includes an electronic controller configured to automatically control a transmission device of a human-powered vehicle in accordance with a shifting condition. The electronic controller is configured to set the shifting condition based on first reference information including information related to change in transmission ratio that is shifted by the transmission device.