 Subsequently, De Rosa's company outgrew the small workshop adjacent to his home, and moved to a larger space in Cusano Milanino, Milan.Later, his three sons entered the business, with Danilo and Doriano assisting in production management, and Cristiano taking over the commercial side of the business.In 1990 Ugo De Rosa began research and development in titanium tubing, culminating in a new model, the De Rosa Titanio, used by the team in 1994.