  We show that, in electroweak models with right-handed currents and gauge
symmetry $SU(2)_L\otimes SU(2)_R\otimes U(1)_{B-L}$, it is possible to
accomodate, at the tree level, the anomaly of the $W$ mass obtained by the
CDF-II. The solution to that anomaly is possible independently if a generalized
parity is broken explicitly or spontaneously. A change in the mass of Z is also
predicted. This seems to be a characteristic of any of this type of models.
