A bicycle generator hub is provided that mainly includes a hub shaft, a hub shell a stator and a magnet. The hub shell is rotatably arranged on the hub shaft. The stator is fixed to the hub shaft. The magnet is arranged in the hub shell such that it faces opposite the stator. The hub shell includes a magnet holder having the magnet embedded in the magnet holder. Material of the magnet holder is disposed on both oppositely facing axial faces such that the magnet holder retains the magnet as an integral unit.