Since 1992, the NoThreadSet has been the gold standard for bikes with 1-1/8" head tubes. It has been ridden to victory by World Champions and Grand Tour winners, and it continues to be a favorite among riders and framebuilders who value timeless performance and clean aesthetics. For this version, titanium gives this Chris King headset something unique. It is stronger (both harder and stiffer) and less chemically reactive than the other metals you find in bicycle components. Like all King's headsets, the titanium NoThreadSet features King's patented GripLock bearing cap that preloads the headset independently of clamping onto the steerer, so it retains preload far better than some other headset designsGripLock retention design takes the guesswork out of preloading a headset, because the bearing preload force is independent of the clamping force for dependable headset adjustment (US Patent 8662517)Every Chris King headset is built with its own legendary heat-treated bearings, and surgical-grade steel races machined simultaneously to ensure they are perfectly matchedFor straight, 1-1/8 , EC34 headtubes onlyEngineered, manufactured and assembled in Portland, OregonKing Lifetime WarrantyItem SpecificationsBearing TypeCartridgeColorTitaniumCrown Race30.0Defined ColorGrayLower Stack Height13.7MaterialTitaniumS.H.I.S LowerEC34S.H.I.S UpperEC34S.H.I.S. Stem Clamp Diameter28.6 ThreadlessStack Height31.4Upper Stack Height17.7 Chris King NoThreadSet Titanium Headset Headsets UPC: 841529268584