LVWA UD full carbon fiber road bike drop handlebar 400mm HB051L Comfort, ergonomics, stiffness and aerodynamics are the essential elements we've balanced in the Contour SL, and every millimeter of the shape is designed for all-day comfort and performance. The airfoil top is not only fast, but it fits your hand perfectly on long climbing efforts and elegantly hides your brake and shifter cables. The ovalized hook portion of the bar fits your hand naturally, which you'll appreciate as the day wears on. Considering it's top performance racing standard, you know this bar is in it for the long haul.