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 you39ll appreciate as the day wears on of course the contour sl is stiff enough to fight out a sprint after you39ve been in the break all day considering it39s passed efbe laboratory39s top performance racing standard you know this bar is in it for the long haul please no