Provided is a balancing device for positioning integrally to a rotating body configured to be placed in rotation around a rotation axis, including a plurality of storage means arranged in positions offset to the main rotation axis, at least one element suitable for winding wound in correspondence with a plurality of storage means, and transfer means configured to wind the elements configured for winding around storage means and to consequently vary the distribution of the mass of the elements suitable for winding over several storage means so as to balance the mass of said rotating body.