Articulated injected modular helmet made of ABS. Excellent finishing and accurate mechanisms, the helmet comprises cask, visor and chin-cover, and the motorcyclist may wear it totally closed, with the visor open or with the chin-cover lifted, giving the sensation of an open helmet. When open, the visor does not obstruct the motorcyclist's view, when closed it integrates perfectly with the cask design. The procedure for changing the visor is easy and needs no special tools to be replaced.