* The ''Maximum Smoothness'' cables: Campagnolo's smoothest ever shift cables and housings* Comes stock with all 12 speed groups, but can also be used to upgrade 8-11 speed drivetrains* Stainless inner cables have more strands, yielding a smoother surface, and feature a special coating that reduces friction* More flexible housing with a slick liner for improved performance with internal routing & tight housing bends