Abstract: An integrated handlebar for a bicycle includes a handlebar and at least one integrated control device, wherein the handlebar has at least two free ends and the integrated control device includes a base engaged with at least one of the free ends, a brake lever and an electronic controller. The brake lever has a front end pivotally connected with the base and a rear end. The brake lever has a mounting portion, being located at a distance not greater than ¾ length of the brake lever from the rear end and not directly on the rear end. The electronic controller includes an operation member disposed on the brake lever, which includes at least one operation part adapted to be triggered by fingers of a rider to control an action of the operation member so as to drive the electronic controller to output an electronic signal to an electronic component.

Abstract: A bicycle brake disc includes: a disc body, having connecting portions extending from an inner periphery of the disc body, and each connecting portion including a connecting hole, and first connecting elements; a rotor carrier having a center hole and carrier arms formed by extending from the center hole to an outer periphery of the rotor carrier, and each carrier arm having a through hole; each heat dissipation baffle has a first and second end portions, and fitting holes, the first and second end portions of each heat dissipation baffle respectively clamped between two adjacent connecting portions and two adjacent carrier arms, so that the connecting hole, the fitting hole, and the through hole are sequentially aligned; and the first connecting element passing through the holes to fixedly connect the disc body, the heat dissipation baffles, and the rotor carrier.

Abstract: A bicycle controlling device including a lifting controller, a shifting controller, a height adjusting assembly, an electric rear derailleur and a seat height controller is disclosed. The lifting controller and the shifting controller are respectively adapted to generate and emit a lifting control signal or a shifting control signal. The height adjusting assembly is positioned in the seat tube and can be controllably lifted or fixed at a height. The seat height controller is fixed to the seat tube, and includes a wireless signal receiver, a control circuit and a motor. The wireless signal receiver is adapted to receive/transmit the lifting/shifting control signal to the control circuit, which is electrically connected with the electric rear derailleur and the motor, and controls the motor/the electric rear derailleur with the received lifting/shifting control signal. The motor can mechanically control the lifting of the height adjusting assembly or fix its height.

Abstract: A method of operating an electronic transmission is disclosed, including the following steps. First, turn on the electronic transmission, initialize settings, and perform as an operating mode. Next, detect whether a setup command, a shifting command, or a shutdown command is received. If the setup command is received, perform as the setup mode; if the shifting command is received, perform shifting; if the shutdown command is received, shut down the electronic transmission. If none of the commands is received for a predetermined period, detect whether a standby function is executed. If the function is not executed, shut down the electronic transmission; if the function is executed, perform as a standby mode, and detect whether to receive any command in a less energy consumption manner. If any command is received, return to perform as the operating mode whereby the method protects, including sustaining the power supply.

Abstract: A brake lining of a disc brake device is disclosed, wherein the brake lining includes a carrier and a friction block. The carrier has a bearing portion, which has the friction block provided thereon, and a guide portion connected to an end of the bearing portion. A first virtual line passes through a free end of the guide portion and a junction between the guide portion and the bearing portion, and a second virtual line passes through two opposite points of the disc periphery, wherein an included angle formed therebetween is greater than 0. The smallest possible included angle in any embodiments is formed if the first virtual line passes through an end corner of the friction block. With such design, the disc would not be hindered by nor collide with the friction block during installation, which reduces the difficulty and time for installing or fixing the disc brake device.

Abstract: A power detection device for bicycles is disclosed, which comprises at least one sprocket, a sprocket base, a strain gauge, a signal processing circuit, and a wireless signal transmitting circuit, wherein the sprocket base is engaged with the sprocket, and the strain gauge is embedded in the sprocket base. The signal processing circuit is electrically connected to the strain gauge, and the wireless signal transmitting circuit is electrically connected to the signal processing circuit. The wireless signal transmitting circuit receives an electrical signal outputted by the signal processing circuit, converts it into a wireless signal, and then sends out the wireless signal. Whereby, the strain gauge can be hidden and effectively secured.

Abstract: An auxiliary control device includes an auxiliary handlebar having a handle member and a cushion member engaged with the handle member, an engaging base adapted to engage the auxiliary handlebar and a main handlebar of a bicycle, and a positioning member. The engaging base has a first base and a second base. The first base is engaged with the main handlebar, and has a first perforation, which has a first inner toothed portion parallel to an axial direction thereof formed on an inner wall thereof. The second base is engaged with the main handlebar, and has a second perforation, which has a second inner toothed portion parallel to an axial direction thereof formed on an inner wall thereof. The positioning member passes through the first and the second perforations. The positioning member has a positioning toothed portion provided on an outer wall thereof, corresponding to and meshing with the first and the second inner toothed portions.

Abstract: An electric front derailleur, comprising: a support member, disposed on a frame of a bicycle and having a first mounting portion and a second mounting portion; a driving unit, disposed in the first mounting portion and configured to drive a worm gear to rotate; a first transmission unit, having at least one transmission gear that is driven by the worm gear; a second transmission unit, comprising a rack, a linking member, and a swing member, wherein the rack is engaged with the transmission gear and movably disposed in the second mounting portion, and the linking member has one end pivoted to the rack and the other end pivoted to the swing member; a chain guide, comprising a pivot portion, and a chain guiding portion, wherein the pivot portion are pivoted to the swing member, and the chain guiding portion is configured to move a chain.

Abstract: A brake lining of a disc brake device is disclosed, wherein the brake lining includes a carrier and a friction block. The carrier has a bearing portion, which has the friction block provided thereon, and a guide portion connected to an end of the bearing portion. A first virtual line passes through a free end of the guide portion and a junction between the guide portion and the bearing portion, and a second virtual line passes through two opposite points of the disc periphery, wherein an included angle formed therebetween is greater than 0. The smallest possible included angle in any embodiments is formed if the first virtual line passes through an end corner of the friction block. With such design, the disc would not be hindered by nor collide with the friction block during installation, which reduces the difficulty and time for installing or fixing the disc brake device.

Abstract: A bicycle cogset manufacturing method includes: connecting a first and a second sprocket in different sizes with connecting members as a sprockets assembly in advance, where first and second inner portions of the first and second sprockets respectively have first insertion and second insertion members, and each of the insertion members are respectively provided with a first and a second positioning hole; transferring the sprockets assembly into a mold, and performing pouring to form a sprocket base, where an assembly hole is disposed in the center of the sprocket base, a plurality of connecting arms are arranged on an outer portion of the sprocket base, and the connecting arms clad the first insertion members and the second insertion members to form a cogset. In this way, modularization can be implemented to achieve objectives of preventing troublesome riveting, accelerating manufacture, and reducing product weight.

Abstract: A bicycle cogset comprises a sprocket base, a first sprocket, and a second sprocket. A periphery of the sprocket base is provided with a plurality of connecting arms, and each of the connecting arms is provided with at least one first and one second connection hole respectively. The first sprocket has a first outer portion and a first inner portion, the first outer portion provided with a plurality of first teeth, the first inner portion provided with a plurality of first insertion members, and the first insertion members disposed in the first connection holes. The second sprocket has a second outer portion and a second inner portion, the second outer portion provided with a plurality of second teeth, the second inner portion provided with a plurality of second insertion members, and the second insertion members disposed in the second connection holes.

Abstract: An electronic rear derailleur comprising a fixing part, a drive element, a transmission assembly, a linkage unit, and a chain adjusting portion. The fixing part has a first joint and a fixing end. The drive element drives a drive wheel. The transmission assembly has a transmission shaft and a transmission element. The linkage unit includes a base, a revolving wheel, and a gear set. The revolving wheel is engaged with the drive portion, and the gear set is disposed in the base. The base has a first and a second end, and the chain adjusting portion has a second joint pivotally connected to the second end, so that the chain adjusting portion rotates relative to the base. The gear set is connected with the first and the second joint so as to make the first and the second joint synchronizely rotate, so that the adjusting portion shifts the chain.

Abstract: A quick-assembly front wheel device of a bicycle is pivotally disposed on a single-bladed fork and includes a wheel and a brake disc. The single-bladed fork has a pivotal end, the pivotal end has a first surface and a second surface, a shaft hole is opened passing through the first surface and the second surface, the wheel is located on the first surface and has a first axle shaft passing through the shaft hole, and the brake disc is located on the second surface and has a second axle shaft to pass through the shaft hole. The first axle shaft and the second axle shaft can be butted together. Therefore, the front wheel is capable of being quickly disassembled and mounted.

Abstract: A brake lever reach adjustment includes a bracket, a brake lever and a reach adjusting assembly. The bracket to be mounted to a handlebar has a cavity therein. The brake lever is pivotally connected to the bracket, and defines two opposite wings. The reach adjusting assembly is disposed in the cavity of the bracket. The reach adjusting assembly has a lead screw and a movable block mounted about the lead screw. Specifically, the movable block selectively supports one of the two wings or is positioned between the two wings to adjust a position of the brake lever relative to the handlebar.

Abstract: A method for manufacturing a carbon fiber rim is disclosed, which includes: preparing a carbon fiber composite material and a thermosetting resin-based composite material; preparing a mold to place the carbon fiber composite material into the mold so that the carbon fiber composite material forms a pre-molded rim according to the shape of the mold, and then annularly affixing the thermosetting resin-based composite material respectively to brake surfaces on both sides of the pre-molded rim, so as to form a brake layer; placing the pre-molded rim into the mold to integrally form a rim by means of heat and pressure; and taking out the rim having the brake layer on the surface.

Abstract: An electronic rear derailleur comprising a fixing part, a drive element, a transmission assembly, a linkage unit, and a chain adjusting portion. The fixing part has a first joint and a fixing end. The drive element drives a drive wheel. The transmission assembly has a transmission shaft and a transmission element. The linkage unit includes a base, a revolving wheel, and a gear set. The revolving wheel is engaged with the drive portion, and the gear set is disposed in the base. The base has a first and a second end, and the chain adjusting portion has a second joint pivotally connected to the second end, so that the chain adjusting portion rotates relative to the base. The gear set is connected with the first and the second joint so as to make the first and the second joint synchronizely rotate, so that the adjusting portion shifts the chain.

Abstract: A shifter lever includes a main body made of metals and the main body is disposed with a wireless control unit therein and the wireless control unit is electrically connected with the main body. In addition, the main body is used as an antenna for wirelessly controlling a bicycle derailleur mechanism. Because the metal frame of the shifter lever is used as an antenna, not only the quality of received signals is improved, but the space and the weight of the connecting base are saved and reduced.

Abstract: The present invention provides an electronic front derailleur including a driving member, a driving pulley, a driven pulley, a transmission shaft, a transmission assembly, and a chain guide member disposed with a chain-moving member connected to the transmission assembly, wherein the chain-moving member is disposed with a groove to receive a chain. When the driving member drives the driving pulley to rotate the driven pulley, then the driven pulley further actuates the transmission shaft to move therewith, and then the transmission assembly and the chin guide member are further driven to make movements, allowing the bicycle chain move from one sprocket to another sprocket with a different size.

Abstract: A bicycle handlebar includes a main body pivotally connected to a bicycle. A first holding portion and a second holding portion corresponding to the first holding portion are disposed at left and right sides of the main body. The first holding portion and the second holding portion each bend towards a forward riding direction and extend to form a forward bending portion. The forward bending portions each extend towards a backward riding direction to form a backward bending portion. The backward bending portions each extend towards the backward riding direction to form a rear section. A distance between the two backward bending portions is greater than a distance between the two forward bending portions, so as to expand a turning radius of the bicycle handlebar.