The system (40) has an axle body receiving a hub (36) of a running wheel (30). An end of the axle body comprises an external thread that is screwed into a receiving aperture of a frame element with a matching internal thread. An attachment device attaches ...

The rear wheel hub (10) comprises a hub body (12), an axle body (14), a first bearing device (16) between the hub body and the axle body, where the hub body is rotatably held in relation to the axle body around a rotational axis, a freewheel body (18) for ...