BIALFA COBALT M42 34 X 1.1 X 4/6 4570
BIALFA COBALT M42 41 X 1.3 X 4/6 4570
BIALFA COBALT M51 34 X 1.1 X 4/6 4570
BIALFA COBALT M51 41 X 1.3 X 3/4 4570