The bike is authentic in every part, purchased less than a year ago from Italy, and comes with all documents and the purchase invoice. The frame has been registered on the Pinarello website to activate the extended warranty for an additional 5 years. The bicycle is also fitted with a carbon Prologo saddle (Nago R4 PAS Nack) which weighs half as much as the original. The original saddle is included. Additionally, custom-made stickers made by a specialized company using high-quality chrome vinyl have been applied to the bike to change the lettering from white to chrome. In any case, for those wh...