Prova Mostro Integrale Frame - Size 54Its rare we have a Prova Integrale sitting here available and rarer still in frame only form. Prova builds in small numbers, with an obsessive level of detail, and most Integrales are spoken for long before they ever see a showroom floor. When one comes through AC, it doesnt hang around. The Mostro Integrale is Provas cleanest expression of modern titanium. Fully internal routing through a beautifully executed headtube system. In house butted 3 2. 5