Bicycle hub dynamo with a freewheel

The bicycle with a hub generator, which can supply a power to the mounting - bracket high efficiency, and easy to an installing bracket conductors. The hub generator (1) is provided with a hub shaft (5), hub body (6) and a pair of bearing (7) and (8), the power generation tire mechanism (9), and freewheeling (10). The hub shaft of a bicycle frame. The hub body and hub shaft axis direction, and terrain compartment to form a pair of hub flange of the shaft direction of the peripheral surface (12a) and (12b), and a on the hub shaft is. A pair of bearing is used to the hub shaft free rotary support hub body. The power generation mechanism is arranged between the upper hub body and hub shaft, generates power through whose relative rotary. Looked from the hub body and freewheelingly is arranged on the right side 1st, can rotate is equipped with multistage gear on the periphery (53), the opposite hub body can only transferring a rotary of bicycle direction of multiple.