A fork is provided for driving a driving wheel and especially the front wheel of a bicycle. Therefore the steerer is fixed to the axle of a wheel and extends at least partially to the rotation plane of the wheel in a parallel direction. Furthermore the steerer is designed generally as a frame square wherein at least two frame legs are arranged generally parallel and with a certain distance. The frame legs are fixed in a certain position by at least two connecting elements and are designed as profiled sticks. In a preferred embodiment of the contour of the profiled sticks has the shape of an aerofoil.