NoThreadSet is built to be precise and dependable and a classic. Engineered, manufactured and assembled in Portland, OR. Patented GripLock retention design for reliable headset adjustment.Engineered, manufactured and assembled in Portland, Oregon USAChris King made-in-house bearingsItem SpecificationsBearing TypeCartridgeColorMatte JadeCrown Race30Defined ColorGreenLower Stack Height13.7S.H.I.S LowerEC34S.H.I.S UpperEC34S.H.I.S. Stem Clamp Diameter28.6 ThreadlessUpper Stack Height17.7Weight98 Chris King NoThreadSet Headset Headsets UPC: 841529274677