A power supply device is provided for a human-powered vehicle. The power supply device comprises a base, a first electrical port, a second electrical port and a third electrical port. The first electrical port is provided to the base. The first electrical port has a first connection configuration. The second electrical port is provided to the base, and having a second connection configuration. The third electrical port is provided to the base, and having a third connection configuration. The first connection configuration, the second connection configuration and the third connection configuration have a same shape.

The disclosure provides a bicycle front derailleur including a fixed component, a chain guide, a first link, a second link, and a driving assembly. Two opposite ends of the first link are respectively disposed on the fixed component and the chain guide. The two opposite ends of the second link are respectively disposed on the fixed component and the chain guide. The driving assembly includes a driving shaft, a push component, an output gear and a power source. The push component and the output gear are fixed on the driving shaft, the power source is disposed on the fixed component and connected to the output gear, the push component is in contact with the first link, and the power source is configured to drive the push component to pivot the first link with respect to the fixed component via the output gear and the driving shaft.

In some embodiments, a scooter comprises a deck configured to support a rider, a front wheel and a rear wheel, a head tube, a steering column, and a foot brake. The steering column can include a steering tube and a handlebar assembly, and the steering column can be used to steer the scooter by controlling a direction of the front wheel. The foot brake can be configured to apply a braking force to the rear wheel when the foot brake is pressed down. A plurality of neck members can connect the deck to the head tube.

Disclosed is a wheeled vehicle. The wheeled vehicle includes various features for operation by a rider, such as a throttle actuation assembly and various components for operation and manipulation of the vehicle.

Disclosed is a wheeled vehicle. The wheeled vehicle includes various features for operation by a rider, such as a throttle actuation assembly and various components for operation and manipulation of the vehicle.

A bicycle electric telescopic apparatus comprises a first tube, a second tube, a positioning structure, an electric positioning actuator, and a power supply. The first tube has a center axis. The second tube is telescopically received in the first tube. The positioning structure is configured to relatively position the first tube and the second tube in a telescopic direction extending along the center axis of the first tube. The electric positioning actuator is configured to actuate the positioning structure. The power supply is configured to be detachably and electrically connected to the electric positioning actuator. The power supply is configured to be detachably and electrically connected to an additional bicycle electric telescopic apparatus.

An electric bike having an improved effect of heat dissipation has a body, a driving device, and a battery. The body has a frame, a rear wheel, and a front wheel, wherein the rear wheel and the front wheel are mounted to the frame. The driving device is mounted to the body and has a motor and a shell. The motor is connected with the frame and has a front end near the front wheel and a rear end near the rear wheel. The shell covers the motor and has multiple inlets and multiple outlets disposed therethrough. The multiple inlets are located near the front end of the motor. The multiple outlets are located near the rear end of the motor. The battery is electrically connected to the motor. The front wheel, the battery, the motor, and the rear wheel are serially aligned.

An electric bike having an improved effect of heat dissipation has a body, a driving device, and a battery. The body has a frame, a rear wheel, and a front wheel, wherein the rear wheel and the front wheel are mounted to the frame. The driving device is mounted to the body and has a motor and a shell. The motor is connected with the frame and has a front end near the front wheel and a rear end near the rear wheel. The shell covers the motor and has multiple inlets and multiple outlets disposed therethrough. The multiple inlets are located near the front end of the motor. The multiple outlets are located near the rear end of the motor. The battery is electrically connected to the motor. The front wheel, the battery, the motor, and the rear wheel are serially aligned.

A frame and a mobility scooter. The frame includes a first longitudinal beam, a second longitudinal beam, a head tube and a first cross beam. A first end of the first longitudinal beam and a first end of the second longitudinal beams are both coupled to the head tube. The first cross beam has a first end coupled to the first longitudinal beam and a second end coupled to the second longitudinal beam. The first longitudinal beam is divided into a first front tube section and a first rear tube section by the first cross beam, the second longitudinal beam is divided into a second front tube section and a second rear tube section by the first cross beam, and the first and second rear tube sections form a rear fork of the mobility scooter.

In some embodiments, an electric scooter comprises a deck configured to support a rider, front and rear wheels, a handlebar assembly that includes a handlebar, a left handle, and a right handle, a steering column that includes a steering tube and the handlebar assembly, and an electric motor configured to provide mechanical power to at least one of the front and the rear wheels. One or more of the steering column, steering tube, handlebar assembly, handlebar, left handle, right handle, and deck can be configured to be detachable and comprise one or more rechargeable battery packs. In addition, one or more of the steering column, steering tube, handlebar assembly, handlebar, left handle, right handle, and deck can be configured to receive one or more removable rechargeable batteries.