An Agricultural baler comprising a flywheel that is driven via a drive shaft. The flywheel is connected to a pressing component of the baler via a central shaft, wherein the flywheel is mounted over the central shaft via bearings. Further mounted on the central shaft is a shear pin flange which is connected via a shear pin to the flywheel for the purpose of transmitting a rotation movement of the flywheel to the central shaft, wherein the flywheel is held over the central shaft via first fixing component and wherein the shear pin flange is connected to the central shaft via second fixing component.