Also known as: モデルX, model_x
Biometal Model X is the Mega Man transformation for Vent (Mega Man) or Aile (Mega Man Zx) from Mega Man ZX. It's design takes inspiration from X (Mega Man) from the Mega Man X series.
Vent or Aile combine this form with Model Z (Mega Man) to form Model ZX (Mega Man), as well as many other form combinations excluding A and W.