A control device of an internal speed change device of a wheel hub for clutching operation includes a rod; a lever installed on the rod; the lever being connected to a controlling claw sliding block; an electric sliding block installed on a lever sleeve; t...

A transmission (100) for use in an electrically-driven bicycle and/or a scooter is disclosed, in which the transmission coupled with a motor (120) is embedded together with the motor in a hub of a rear or front wheel. The power generated from the motor or ...