Matching Zipp Service Course SL bars and stems in both form and function.Dual bolt, low profile micro adjust cradleMachined internal shaft to reduce weightTitanium hardware3D forged from a single piece of AL-7050Minimum insertion length is 90mmNote: torque for the seat rails is 7NmItem SpecificationsClamp StyleStandard RailsColorBlackDefined ColorBlackDiameter27.2Length400MaterialCarbonOffset (mm)20