Aerodynamic fast elegant the sk pininfarina is an original project the result of the technology perfection branded by de rosa and the elegance of pininfarinas shapes the research and developments within aerodyminamics and tube shapes guarantee the ideal rigidity without compromising the stability comfort and style shimano ultegra drivetrainthis year de rosa have spec39d up the sk with the new shimano ultegra 6800 11 speed with its light action and smooth indexing allows you to push th