Abstract: A brake control device includes an electronic controller that is configured to control a braking unit that is configured to brake at least one of a plurality of rotating bodies of a human-powered vehicle. The electronic controller is configured to control the braking unit upon determining an ABS control is performed to decrease a braking force of a first rotating body included in the plurality of rotating bodies so that a braking force of a second rotating body, which is different from the first rotating body and included in the plurality of rotating bodies, is increased by a force that is different from hydraulic pressure.

Abstract: An electronic controller and a control system are provided that allow the rider to comfortably ride a human-powered vehicle. The electronic controller includes at least one processor configured to control a notification device based on environmental information related to a surrounding environment of a human-powered vehicle.

Abstract: A brake control device includes an electronic controller that executes an ABS control on a rotating body of a human-powered vehicle. The electronic controller executes the ABS control based on a relationship between a first speed and a second speed related to the human-powered vehicle. The first speed includes a speed of the human-powered vehicle based on information of a traveling environment. The second speed includes a speed of the human-powered vehicle based on a rotational speed of the rotating body.

Abstract: A brake control device includes an electronic controller that controls a brake unit configured to brake a rotation body of a human-powered vehicle. The electronic controller limits ABS control in a case where a first predetermined condition for executing ABS control and a second predetermined condition for limiting ABS control are satisfied. The second predetermined condition is set based on limitation information that differs from information related to a traveling speed of the human-powered vehicle.

Abstract: A magnetism generation device is attachable to a disc brake rotor adapter for a bicycle hub. The magnetism generation device comprises a magnetism generation portion and a holder. The holder has a first portion and a second portion. The first portion supports the magnetism generation portion. The second portion is releasably attached to the first portion with a portion of the disc brake rotor adapter disposed between the first and second portions while the magnetism generation device in an installed state on the disc brake rotor adapter.

Abstract: A control device is provided for controlling for a brake system of a human-powered vehicle that includes a rotary body and a brake device that brakes the rotary body. The control device of the brake system includes an acquisition portion acquiring information related to at least one of the rotary body and the brake device to appropriately brake the rotary body with the brake device.

Abstract: An electric brake system that appropriately brakes a rotary body of a human powered vehicle in various situations is applicable to a human powered vehicle and includes a brake device including an electric actuator operated by electric power from a power supply, and a braking portion driven by the electric actuator to brake a rotary body of the human powered vehicle, a state detector detecting a state of the human powered vehicle other than an operation of the brake device performed by a user, and a control unit controlling the brake device so that the braking portion brakes the rotary body based on a detection result of the state detector.

Abstract: A brake control device and a brake system are configured to appropriately apply a braking force to a rotary body of a human-powered vehicle. The brake control device includes an electronic controller that controls a braking portion electrically driven to brake a rotary body rotating in accordance with traveling of a human-powered vehicle. The electronic controller controls the braking portion in accordance with an operation amount of an operating device and a state related to the human-powered vehicle.

Abstract: To provide a brake controller and a brake system that appropriately brake a rotary body of a human-powered vehicle, a brake controller includes one or more processors configured to programmatically control a braking portion of a brake device so that the braking portion brakes a rotary body of the human-powered vehicle based on first information related to travel of the human-powered vehicle, the first information excluding a road surface gradient.

Abstract: An actuating device is part of a bicycle hydraulic operating system that also includes an additional actuating device and a hydraulic operated device. The hydraulic operated device includes a slave cylinder fluidly connected to an additional master cylinder of the additional actuating device such that operation of an additional operating member of the additional actuating device moves the slave piston. The actuating device includes an operating member, a master cylinder, a master piston and a fluid port. The fluid port fluidly connects the master cylinder to the slave fluid port such that operation of the operating member moves the slave piston. The actuating device has no fluid reservoir. The master cylinder of the actuating device is fluidly connected to the additional master cylinder of the additional actuating device at a point upstream of the fluid port with respect to a flow of hydraulic fluid towards the hydraulic operated device.

Abstract: A mounting device is provided for mounting a detection device, which is configured to detect electromagnetic waves having a frequency of 30 GHz or greater excluding visible light, on a human-powered vehicle. The detection device includes a support mechanism that is configured to support the detection device so that the detection device is movable relative to the human-powered vehicle in accordance with motion of the human-powered vehicle.

Abstract: A human-powered vehicle system and a control method are provided that reduce power consumption of a detection device. The human-powered vehicle system includes an electronic controller having at least one processor configured to control a detection device provided at a human-powered vehicle to detect an electromagnetic wave having a frequency that is greater than or equal to 30 GHz and excluding visible light. The at least one processor is configured to control the detection device in at least one of a first mode and a second mode that consumes less power than the first mode.

Abstract: An operating device includes a base member, an operating member, a first connecting part, a second connecting part and an additional component. The base member is mounted on a human-powered vehicle; an operating member provided to the base member. The first connecting part is provided to one of the base member and the operating member in a manner connectable to a power transmitting medium. The second connecting part is provided to the base member in a manner connectable to the power transmitting medium. The additional component is provided to at least one of the base member and the operating member.

Abstract: A hydraulic operating device comprises a base member, an operating member, and a piston. The base member includes a first end portion, a second end portion, a cylinder bore, a first hose-attachment hole, and a second hose-attachment hole. The second end portion is opposite to the first end portion. The first hose-attachment hole is configured to be in fluid communication with the cylinder bore. The second hose-attachment hole is configured to be in fluid communication with the cylinder bore. The operating member is pivotally coupled to the base member at the first end portion about a pivot axis. The first hose-attachment hole and the second hose-attachment hole are provided closer to the pivot axis than the second end portion.

Abstract: A hydraulic operating device comprises a base member, an operating member, a piston, and a mounting member. The base member includes a cylinder bore, a first hose-attachment hole, and a second hose-attachment hole. The first hose-attachment hole is configured to be in fluid communication with the cylinder bore. The second hose-attachment hole is configured to be in fluid communication with the cylinder bore. The mounting member includes a mount opening through which the handlebar is to extend. The mount opening has a mount center axis. The base member includes a support portion configured to contact an outer circumferential surface of the handlebar without clamping the handlebar in a mounting state where the handlebar extends through the mount opening of the mounting member.

Abstract: A hydraulic operating device for a small vehicle including a bicycle comprises a base member, a mounting structure, an operating member, and a piston. The base member includes a cylinder bore having a cylinder axis. The mounting structure defines a mounting axis linearly extending along the handlebar in a mounting state where the base member is mounted on a handlebar with the mounting structure. The operating member is pivotally coupled to the base member about a first pivot axis between a rest position and an operated position. The cylinder axis is non-perpendicular to the mounting axis as viewed along the first pivot axis in the mounting state. The piston is movably provided in the cylinder bore. The piston is coupled to the operating member to be pulled in response to a pivotal movement of the operating member from the rest position to the operated position.

Abstract: A hydraulic operating device comprises a base member, an operating member, a piston, and a mounting member. The base member includes a cylinder bore, a first hose-attachment hole, and a second hose-attachment hole. The first hose-attachment hole is configured to be in fluid communication with the cylinder bore. The second hose-attachment hole is configured to be in fluid communication with the cylinder bore. The operating member is pivotally coupled to the base member about a pivot axis. The mounting member is configured to couple the base member to a handlebar. The mounting member includes a mount opening through which the handlebar is to extend. The first hose-attachment hole, the second hose-attachment hole, and the mount opening are provided on a reference plane perpendicular to the pivot axis.

Abstract: A rotor cover is provided that limits contact of a disc brake rotor with an object flying from a radially outer side of the disc brake rotor. The rotor cover covers a disc brake rotor, which is rotatable relative to a bicycle frame. The rotor cover includes a circumferential part that at least partially covers a circumferential edge of the disc brake rotor at a radially outer side of the disc brake rotor. The circumferential part includes at least three first pieces facing the circumferential edge of the disc brake rotor, and first openings provided between two adjacent ones of the first pieces in a circumferential direction of the disc brake rotor.

Abstract: A hydraulic device comprises a hydraulic structure and a release member. The hydraulic structure includes an interior space in which a fluid is to be filled. The release member is attached to the hydraulic structure so as to be exposed to the interior space and an atmosphere. The release member is configured to release air from the interior space toward the atmosphere in accordance with an internal pressure of the interior space.

Abstract: A bicycle end cap has a first end and a second end that is opposite to the first end for attaching to a bicycle line shape member. The bicycle end cap includes a tubular portion and an attachment structure. The tubular portion is arranged at the first end and defining a receiving space that is dimensioned to axially receive the line shape member from the first end. The attachment structure is configured to attach a pulling member having a cable portion and a head portion that has larger diameter than the cable portion. The attachment structure is configured to position the head portion relative to the tubular portion as the cable portion is pulled toward the second end.