Flat mount brake calipers for bicycles are described herein. An example flat mount brake caliper includes a caliper body defining a first piston cylinder and a second piston cylinder. The caliper body has a flat mount surface with a first threaded bore and a second threaded bore extending into the flat mount surface. The first and second threaded bores are configured to receive threaded fasteners to couple the caliper body to a frame of the bicycle. The first and second piston cylinders are arranged such that projections of the first and second threaded bores do not intersect the first or second piston cylinders. The flat mount brake caliper also includes a brake pad and first and second pistons disposed in the respective first and second piston cylinders to move the brake pad relative to the caliper body.

Flat mount brake calipers for bicycles are described herein. An example flat mount brake caliper includes a caliper body defining a first piston cylinder and a second piston cylinder. The caliper body has a flat mount surface with a first threaded bore and a second threaded bore extending into the flat mount surface. The first and second threaded bores are configured to receive threaded fasteners to couple the caliper body to a frame of the bicycle. The first and second piston cylinders are arranged such that projections of the first and second threaded bores do not intersect the first or second piston cylinders. The flat mount brake caliper also includes a brake pad and first and second pistons disposed in the respective first and second piston cylinders to move the brake pad relative to the caliper body.

In human-powered vehicles, e.g., bicycles, etc., it is customary to use drum brakes, disc brakes or shoe brakes. Each of the braking systems has different advantages in terms of braking effect, system costs, ease of maintenance, etc. A brake unit with a modified structure for a vehicle is provided. For this purpose, a brake unit 14 for a vehicle 1 is disclosed, having a housing 15, having a brake body device 23, wherein the brake body device 23 supports a stationary brake partner of a brake apparatus 12 for the vehicle 1, wherein the housing 15 and/or the brake body device 23 defines a main axis H, having an actuator for moving the brake body device relative to the housing 15 in order to generate a braking force, wherein the stationary brake partner is formed as a brake disc 13.

In human-powered vehicles, e.g., bicycles, etc., it is customary to use drum brakes, disc brakes or shoe brakes. Each of the braking systems has different advantages in terms of braking effect, system costs, ease of maintenance, etc. A brake unit with a modified structure for a vehicle is provided. For this purpose, a brake unit 14 for a vehicle 1 is disclosed, having a housing 15, having a brake body device 23, wherein the brake body device 23 supports a stationary brake partner of a brake apparatus 12 for the vehicle 1, wherein the housing 15 and/or the brake body device 23 defines a main axis H, having an actuator for moving the brake body device relative to the housing 15 in order to generate a braking force, wherein the stationary brake partner is formed as a brake disc 13.

A hydraulic disc braking system is disclosed. The system has a manually operated control device for a cyclist to issue a braking command. The system has a master cylinder assembly having a membrane dividing the hydraulic fluid tank into a variable volume filled chamber and a complementarily variable volume empty chamber. A membrane detector senses the presence of the membrane relative to a predetermined position in the tank and/or a meter measures the distance of the membrane from the ceiling of tank.

The disclosure provides a bicycle caliper including a casing assembly and a plurality of pistons. The casing assembly has a first fluid inlet, a second fluid inlet, a first fluid channel, a plurality of piston chambers, and a second fluid channel. The first fluid channel has a first connection opening and a second connection opening opposite to each other. The first connection opening and the second connection opening of the first fluid channel are respectively in fluid communication with the first fluid inlet and the second fluid inlet. The first fluid channel penetrates through the piston chambers. Two opposite openings of the second fluid channel are respectively in fluid communication with the first connection opening and the second connection opening of the first fluid channel, and the second fluid channel does not penetrate through the piston chambers. The pistons are respectively and movably disposed in the piston chambers.

The disclosure provides a bicycle caliper including a casing assembly and a plurality of pistons. The casing assembly has a first fluid inlet, a second fluid inlet, a first fluid channel, a plurality of piston chambers, and a second fluid channel. The first fluid channel has a first connection opening and a second connection opening opposite to each other. The first connection opening and the second connection opening of the first fluid channel are respectively in fluid communication with the first fluid inlet and the second fluid inlet. The first fluid channel penetrates through the piston chambers. Two opposite openings of the second fluid channel are respectively in fluid communication with the first connection opening and the second connection opening of the first fluid channel, and the second fluid channel does not penetrate through the piston chambers. The pistons are respectively and movably disposed in the piston chambers.

The present invention provides a wheel hub for a vehicle, including: a) a wheel axle defining an axis of rotation for the wheel; b) a hub body rotatably coupled to the axle for rotation about the axis of rotation, the hub body defining an internal cavity; and, c) a braking assembly, including: i) at least one first annular plate disposed within the internal cavity about the axle, the at least one first annular plate rotatably fixed with respect to the hub body so as to rotate therewith about the axis of rotation; ii) at least one second annular plate disposed within the internal cavity about the axle and adjacent to the at least one first annular plate, the at least one second annular plate rotatably fixed with respect to the axle, and at least one of the first and second annular plates being slidably movable within at least part of the internal cavity; and, iii) an actuator disposed within the internal cavity and configured in use, to cause an axial load to be applied to the slidably movable plate to thereby cause the at least one first and second annular plates to frictionally engage thereby applying a braking load between the hub body and wheel axle so as to brake the wheel of the vehicle.

The present invention provides a wheel hub for a vehicle, including: a) a wheel axle defining an axis of rotation for the wheel; b) a hub body rotatably coupled to the axle for rotation about the axis of rotation, the hub body defining an internal cavity; and, c) a braking assembly, including: i) at least one first annular plate disposed within the internal cavity about the axle, the at least one first annular plate rotatably fixed with respect to the hub body so as to rotate therewith about the axis of rotation; ii) at least one second annular plate disposed within the internal cavity about the axle and adjacent to the at least one first annular plate, the at least one second annular plate rotatably fixed with respect to the axle, and at least one of the first and second annular plates being slidably movable within at least part of the internal cavity; and, iii) an actuator disposed within the internal cavity and configured in use, to cause an axial load to be applied to the slidably movable plate to thereby cause the at least one first and second annular plates to frictionally engage thereby applying a braking load between the hub body and wheel axle so as to brake the wheel of the vehicle.

A three wheeled velocipede for three wheeled transport of a driver and a passenger includes a rear frame. A rear wheel is rotationally coupled to the rear frame. A drive train is coupled to the rear frame and operationally coupled to the rear wheel. The drive train is configured to transfer pedal motion imparted by a driver to the rear wheel. A first seat, positioned to seat the driver, is coupled to the rear frame. A front frame is pivotally coupled to a front end of the rear frame. A second seat is couplable to the front frame. The second seat is positionable to seat a passenger. Each of a pair of front wheels is rotationally coupled to a respective opposing side of the front frame.