Abstract: In order to improve a master unit for vehicles, in particular for vehicles steered by a handlebar, comprising a housing, a master cylinder unit provided in the housing, an actuation unit for manually actuating the master cylinder unit with a push lever pivotable relative to the housing about a push lever pivot axis and with a push element transmitting a movement of the push lever to the master cylinder unit, which push element is provided on the push lever and, when the actuation unit is manually actuated, acts, via a pressure surface at a contact point, on a contact surface of the master cylinder unit, such that an optimal adaptation to the particular circumstances is possible, it is proposed that, in order to adjust a transmission ratio of the actuation unit with which the actuation unit acts on the master cylinder unit, a lever arm effective in the event of the actuation is adjustable between the contact point and the push lever pivot axis by means of an adjustment device.

Abstract: A master cylinder for a hydraulic brake or clutch system, in particular, a handlebar steered vehicle, in particular a bicycle, comprises a housing containing a cylinder chamber, in which are disposed a piston slidable therein and a pressure chamber. A compensation chamber is connected with the pressure chamber through at least one compensation bore. Also provided is a cover closing the housing and a counterpart for mounting the master cylinder on a handlebar tube. Further provided is at least one connecting device for connecting the counterpart with the housing of the master cylinder. Included with the connecting device is a first connecting portion for connecting the cover with the housing of the master cylinder and a second connecting portion for connecting the counterpart with the master cylinder and for mounting the master cylinder on a handlebar tube.

Abstract: A hydraulic brake having a master unit, a slave unit, and a hydraulic line. The hydraulic line is filled with a hydraulic fluid and connects the slave unit to the master unit. Further, the hydraulic line has a continuous internal cross-section reduced in at least one longitudinal portion thereof. A method for the installation of a hydraulic brake having a master unit and a slave unit connected to a hydraulic line is also provided.

Abstract: In order to provide a master cylinder, in particular for a clutch system, an actuating system or a braking system of a vehicle, which enables secure sealing of the cylinder chamber relative to the outside, as well as a reliable flow of hydraulic medium into the cylinder chamber, it is proposed that the piston comprises a first section which has a cylindrical lateral surface and a second section which has at least one region which is set back radially inwardly with respect to the cylindrical lateral surface of the first section, wherein at least one set-back region extends to an end of the piston and wherein the first and second sections are arranged on the piston in such a way that in an actuating position of the piston, the main sealing element in the first section of the piston abuts in sealing manner thereagainst and in the pressure equalization position of the piston, in the second section of the piston between the piston and the main sealing element, at least one gap is formed, through which hydraulic me

Abstract: A master cylinder for a hydraulic brake system or clutch system, in particular of a vehicle steered by handlebars, in particular of a bicycle, includes a housing containing a piston chamber. The housing accommodates a piston slidable therein and a pressure chamber. A compensating chamber communicates with the pressure chamber through at least one compensating bore. The housing has an attachment portion for attachment to a handlebar tube and the compensating chamber extends to the attachment portion and has a separating member for separating the hydraulic fluid from a compensating volume. The attachment portion has a clamping part made and arranged to attach the separating member to the attachment portion.

Abstract: In order to improve a hand-actuated transmitter unit for vehicles, in particular for handlebar-controlled vehicles, comprising a housing, an actuating lever which is movable relative to the housing and is coupled to a transmission element such that an actuation of the actuating lever is transmitted by means of the transmission element to a slave unit, such that further functions of a vehicle can be controlled, it is proposed that a detector unit which detects with at least one detector a transition of the actuating lever from a non-actuated state to an actuated state and vice versa is associated with the transmitter unit.

Abstract: In order to improve a wheel unit for a bicycle, comprising a hub and a wheel rim, which is arranged rotatably about an axis of rotation, wherein the hub and the wheel rim are connected to one another by spokes, it is proposed to arrange a brake disc and a sensor ring comprising a sensing region on the hub and to arrange the sensor ring adjacent to the brake disc.

Abstract: In order to improve a wheel unit for a bicycle, comprising a hub and a wheel rim, which is arranged rotatably about an axis of rotation, wherein the hub and the wheel rim are connected to one another by spokes, it is proposed to arrange a brake disc and a sensor ring, which comprises a sensing region, on the hub and to position the sensing region between the brake disc and the spokes.

Abstract: An electronically controlled suspension system for a bicycle includes at least one spring element between first and second parts the bicycle, both parts being movably interconnected. At least one parameter of the spring element is modified. At least one actuator influences the spring element to modify the at least one parameter. An electronic module produces a control signal for the at least one actuator. A control device is influenced by the control signal produced by the electronic module. The control device is connected to at least one of the electronic module and the actuator through a radio signal. A corresponding method controls the suspension system for the bicycle and a computer program executes the method.

Abstract: A brake caliper of a hydraulic brake system comprises several pistons, each of which is slidably disposed in a cylinder along the axis of the cylinder, several brake pads that are forced against a brake disk by the pistons upon actuation of the brake, and at least one spring device having a base and opposite legs that extend from the base to the brake pads. The opposite legs extend from a side of the base to a brake pad that is disposed on the opposite side.

Abstract: A rim brake having a right arm and a left arm respective with one upper and one lower longitudinal portion separated from one another by a pivot bearing. The lower longitudinal portion is provided for holding a brake pad and the upper longitudinal portion engages with at least one hydraulic cylinder through a wedge element. The hydraulic cylinder is disposed between the right arm and the left arm and is configured to move the wedge element. A method for the installation of a hydraulic brake having a master unit and a slave unit connected to a hydraulic line is also provided.

Abstract: A handlebar grip (10) for a throttle twist grip (1) is arranged on a handlebar tube of a vehicle and is intended for actuating an actuator which determines the fuel supply for an internal combustion engine of the vehicle). The handlebar grip (10) has a spring engagement section (12) for engagement of a restoring spring (20). The spring engagement section (12) is formed in an outer region of the handlebar grip (10) in the longitudinal direction of the handlebar grip (10).

Abstract: A master cylinder, for a clutch, actuating or brake system, comprising a cylinder housing with a piston bore, a piston in the piston bore with an end side facing a cylinder chamber and an afterflow opening leading from a piston skirt surface through a piston wall to the cylinder chamber at a distance from the end side, adjoining an afterflow space in a pressure equalization position of the piston where, in the pressure equalization position, hydraulic medium runs into the cylinder chamber to equalize the pressure, and an inner sealing element, arranged between the housing and the piston, limits the cylinder chamber, the afterflow space arranged between the sealing element and the piston skirt surface on a side of a sealing lip of the sealing element facing away from the cylinder chamber, and, in the pressure equalization position, the afterflow opening is located opposite an inner surface of the sealing element.

Abstract: In order to make the idle stroke which occurs as small as possible in a master cylinder, in particular for a clutch, actuating or brake system of a vehicle, comprising a cylinder housing with a piston bore, a piston arranged in the piston bore and having an end side facing a cylinder chamber and at least one afterflow opening which leads from a piston skirt surface through a piston wall to the cylinder chamber at a distance from the end side and adjoins an afterflow space in a pressure equalization position of the piston so that in the pressure equalization position hydraulic medium can run on into the cylinder chamber in order to equalize the pressure, and an inner sealing element which is arranged between the housing and the piston in the area of the piston bore and limits the cylinder chamber, it is suggested that the afterflow space be arranged between the sealing element and the piston skirt surface on a side of a sealing lip of the sealing element facing away from the cylinder chamber and that in the pr

Abstract: In order to provide a master cylinder, in particular for a clutch system, an actuating system or a braking system of a vehicle, which enables secure sealing of the cylinder chamber relative to the outside, as well as a reliable flow of hydraulic medium into the cylinder chamber, it is proposed that the piston comprises a first section which has a cylindrical lateral surface and a second section which has at least one region which is set back radially inwardly with respect to the cylindrical lateral surface of the first section, wherein at least one set-back region extends to an end of the piston and wherein the first and second sections are arranged on the piston in such a way that in an actuating position of the piston, the main sealing element in the first section of the piston abuts in sealing manner thereagainst and in the pressure equalisation position of the piston, in the second section of the piston between the piston and the main sealing element, at least one gap is formed, through which hydraulic me

Abstract: The invention relates to a suspension fork (1) having at least one positive chamber (31), at least one negative chamber (32) and an adjusting device (40) for adjusting the length of the suspension fork (1), the adjusting device (40) comprising a valve means (50) which is arranged between the at least one positive chamber (31) and the at least one negative chamber (32), and an actuation device (60), characterized in that the actuation device (60) has at least one first position for adjusting a short length of the suspension fork (1) (lowered suspension fork) and at least one second position for adjusting a long length of the suspension fork (1) (extended suspension fork).

Abstract: A hydraulic converter for a hydraulic brake system or clutch system, in particular, of a handlebar-steered vehicle, in particular of a bicycle, includes at least one hydraulic master device and a mechanical slave device for actuating the hydraulic master device. The hydraulic master device comprises a cylinder with a pressure chamber, a piston arranged in the cylinder displaceably along the axis of the cylinder, and the hydraulic converter having an adjustment device for adjusting the volume of the pressure chamber of the cylinder.

Abstract: In order to improve a hand grip for handlebar-steered vehicles, comprising a grip covering, made of a grip-covering material, and an accommodating space which extends, by way of its longitudinal extent, from a plug-in opening in a plug-in direction for a grip component of the handlebar, such that it is seated optimally on the grip component of the handlebar, it is proposed that the accommodating space has at least one wall segment which has at least one abutment surface and at least one recess, the abutment surface having surface sub-regions adapted to an outer surface of the grip component, and the at least one recess being disposed between the surface sub-regions and extending approximately parallel to the plug-in direction, as an adhesive reservoir.

Abstract: A lower leg (1) for a suspension fork has two tubes (2, 3) with, in each case, a receptacle device (4, 5) for receiving a stanchion tube displaceably mounted in the receptacle device. Two stabilizers (6, 7) connect those end regions of the two tubes which are opposite the dropouts of the tubes to one another. The lower leg (1) has a stiffening member (8, 9) which connects the two stabilizers to one another.

Abstract: A rim brake having a right arm and a left arm respective with one upper and one lower longitudinal portion separated from one another by a pivot bearing. The lower longitudinal portion is provided for holding a brake pad and the upper longitudinal portion engages with at least one hydraulic cylinder through a wedge element. The hydraulic cylinder is disposed between the right arm and the left arm and is configured to move the wedge element. A method for the installation of a hydraulic brake having a master unit and a slave unit connected to a hydraulic line is also provided.