Abstract: A bicycle accessory mounting bracket includes a first member, a second member and a plug member. The first member has a first connecting pillar with a first sliding slot. The second member has a second connecting pillar. The plug member is inserted into the first and second connecting pillars inserted into each other through the first sliding slot and the through hole of the second connecting pillar. The plug member includes a shell, an actuating member and two abutting members. The actuating member has a wide portion and a concave portion. In the first position, the wide portion is located between the penetration holes, and the abutting members are pushed by the wide portion to enter the perforation holes. When in the second position, the concave portion is located between the penetration holes, the abutting members enter the concave portion, and the first and second connecting pillars can rotate relatively.

Abstract: An automatic control system includes a host connected to the actuator and the inputting device of a bicycle. The actuator controls the motor to drive the mechanical structure to generate a displacement. The inputting device receives the external information by manually entering or automatically sensing via the inputting device to obtain an inputting parameter. In each riding journey of the predetermined path, the host records the inputting parameter that the controller of the actuator drives the motor based on and the time spent for the riding journey to form a riding information. When the rider rides the bicycle on the predetermined path again, the host selects one of the riding information, which has the shortest time spent for the riding journey, as an operating parameter for controlling the actuator, so that the host automatically controls the actuator based on the operating parameter to prevent the cyclist from distracting.

Abstract: A process for manufacturing a customized bicycle handle grip includes obtaining a hand shape database including a hand shape information of users. The hand shape information of each user includes a dimensional parameter including a measured value. The measured values in the hand shape database are divided into dimensional intervals, wherein a handle grip forming parameter is designed for each dimensional interval. After that, a hand shape information of a client is obtained to be compared with the hand shape information in the hand shape database to be classified into one of the dimensional intervals. The handle grip forming parameter of the one of the dimensional intervals is obtained for generating a 3D-computer-graphics of the customized bicycle handle grip based on the handle grip forming parameter. Then, define the hand shape information of the client as a restricting region and optimize the 3D-computer-graphics to obtain an optimized 3D-computer-graphics for 3D printing.

Abstract: A power measuring system includes a processor, a control unit, a memory unit, and a power sensor including a sensing unit and a signal processing unit correspondingly outputting an electrical signal according to a deformation of the sensing unit. The sensing unit is disposed to either a right operational part or a left operational part of a bicycle. The control unit is controlled by a user and outputs a weighting command. The processor receives the weighting command and stores the weighting command into the memory unit, and obtains a weighting parameter corresponding to the weighting command according to a reference table stored in the memory unit, and receives the electrical signal outputted from the signal processing unit, and calculates a first power value, and multiplies the first power value by the weighting parameter to get a second power value, and adds the first power value and the second power value to obtain a total power value.

Abstract: A bicycle accessory mounting bracket includes a first member, a second member and a plug member. The first member has a first connecting pillar with a first sliding slot. The second member has a second connecting pillar. The plug member is inserted into the first and second connecting pillars inserted into each other through the first sliding slot and the through hole of the second connecting pillar. The plug member includes a shell, an actuating member and two abutting members. The actuating member has a wide portion and a concave portion. In the first position, the wide portion is located between the penetration holes, and the abutting members are pushed by the wide portion to enter the perforation holes. When in the second position, the concave portion is located between the penetration holes, the abutting members enter the concave portion, and the first and second connecting pillars can rotate relatively.

Abstract: A bicycle power meter includes a strain gauge, a signal processing unit, a processor, and a signal transmitter. The strain gauge is disposed on at least one of an outer peripheral wall and an inner peripheral wall of a handlebar of a bicycle. The signal processing unit connected to the strain gauge by signal correspondingly outputs an electrical signal based on a deformation of the handlebar detected by the strain gauge. The processor connected to the signal processing unit by signal receives the electrical signal sent by the signal processing unit and calculates a measuring value based on the electrical signal and sends the measuring value in an output signal. The signal transmitter connected to the processor by signal receives the output signal sent by the processor and converts the output signal to a wired or wireless signal and sends the wired or wireless signal to a terminal device.

Abstract: A bicycle power meter includes a strain gauge, a signal processing unit, a processor, and a signal transmitter. The strain gauge is disposed on at least one of an outer peripheral wall and an inner peripheral wall of a stem of a bicycle. The signal processing unit connected to the strain gauge by signal correspondingly outputs an electrical signal based on a deformation of the stem detected by the strain gauge. The processor connected to the signal processing unit by signal receives the electrical signal sent by the signal processing unit and calculates a measuring value based on the electrical signal and sends the measuring value in an output signal. The signal transmitter connected to the processor by signal receives the output signal sent by the processor and converts the output signal to a wired or wireless signal and sends the wired or wireless signal to a terminal device.

Abstract: An electronic derailleur having an actuating part, an actuated part and a charging seat is provided. The actuating part has a casing, and a control board, a battery and a driver disposed in the casing. The control board is electrically connected to the battery and the driver. The actuated part is connected to one side surface of the actuating part and linked with the driver. The charging seat is arranged on an external surface of the actuating part. The charging seat has a first portion and a second portion connected to the first portion. The first portion is provided with a first electrode electrically connected to the control board. The second portion is provided with a second electrode electrically connected to the control board. The charging seat is provided with a magnetic holder. The first portion and the second portion are asymmetrical in structure for positioning a charger connector.

Abstract: A bicycle power meter includes a strain gauge, a signal processing unit, a processor, and a signal transmitter. The strain gauge is disposed on at least one of an outer peripheral wall and an inner peripheral wall of a stem of a bicycle. The signal processing unit connected to the strain gauge by signal correspondingly outputs an electrical signal based on a deformation of the stem detected by the strain gauge. The processor connected to the signal processing unit by signal receives the electrical signal sent by the signal processing unit and calculates a measuring value based on the electrical signal and sends the measuring value in an output signal. The signal transmitter connected to the processor by signal receives the output signal sent by the processor and converts the output signal to a wired or wireless signal and sends the wired or wireless signal to a terminal device.

Abstract: A bicycle power meter includes a strain gauge, a signal processing unit, a processor, and a signal transmitter. The strain gauge is disposed on at least one of an outer peripheral wall and an inner peripheral wall of a handlebar of a bicycle. The signal processing unit connected to the strain gauge by signal correspondingly outputs an electrical signal based on a deformation of the handlebar detected by the strain gauge. The processor connected to the signal processing unit by signal receives the electrical signal sent by the signal processing unit and calculates a measuring value based on the electrical signal and sends the measuring value in an output signal. The signal transmitter connected to the processor by signal receives the output signal sent by the processor and converts the output signal to a wired or wireless signal and sends the wired or wireless signal to a terminal device.

Abstract: A power measuring system includes a processor, a control unit, a memory unit, and a power sensor including a sensing unit and a signal processing unit correspondingly outputting an electrical signal according to a deformation of the sensing unit. The sensing unit is disposed to either a right operational part or a left operational part of a bicycle. The control unit is controlled by a user and outputs a weighting command. The processor receives the weighting command and stores the weighting command into the memory unit, and obtains a weighting parameter corresponding to the weighting command according to a reference table stored in the memory unit, and receives the electrical signal outputted from the signal processing unit, and calculates a first power value, and multiplies the first power value by the weighting parameter to get a second power value, and adds the first power value and the second power value to obtain a total power value.

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: A bicycle drive chainwheel assembly mounted on a ratchet seat annularly provided with a flange peripherally at one end is disclosed, which includes a sleeve, at least one first chainwheel, at least one second chainwheel, at least one first washer, and a stopper. The sleeve has a first end being provided with a retaining wall stopped by the flange at one end of the ratchet seat, and a second end being provided with a first engagement portion and a second engagement portion having different outer diameters; the first chainwheel and the second chainwheel are respectively sleeved on the first engagement portion and the second engagement portion, a first washer is disposed between the first chainwheel and the second chainwheel, and a stopper is disposed on the other end of the ratchet seat.

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.