Threadless REF#: 238835 Alloy Stem 28.6/31.8mm 7081 50mm Black. AltaLine Bar Clamp: 31.8mmStem Length: 50mmFork Compatibility: 1-1/8 InchAngle: 7 DegreesColor, Material: Black, AlloyStyle: Mount, RoadBrand: AltaLine Sign In to view pricing and availability