Battery carrier for electric assisted vehicle
Bicycle drive unit and bicycle chain stay
Bicycle equipped with drive assist
Bicycle power supply with discharge function
Bicycle with a planetary-gear-train type transmission and an aux
Bicycle with an auxiliary engine
Bicycle with assist engine
Bicycle with electric motor
Bicycle with electric motor
Bicycle with electric motor
Bicycle with optional power assist
Bicycle's power train
Bicycle, in particular with an electromotor