De Rosa Black Label // 1953 Steel edition. To celebrate their 60th Anniversary De Rosa have released 4 Sessanta models: Carbon - Steel - Titanium - Aluminium. For enthusiasts of this noble material, the bike is made only from steel. A resistant material. De Rosa has 60 years of history in the processing of steel. We know all its virtues and know how to get the best out of it. For this reason, even after 60 years, each steel frame is like it is the first frame for us.