The classic, iconic, legendary, gold standard of headsets. These changed the headset landscape from one of disposability to one of precision and dependability. Features: King made-in-house bearings 10-year warranty Headtube Fit Guide Specifications: Bearing Type: Cartridge Crown Race: 40 S.H.I.S Lower: EC49 S.H.I.S Upper: EC34 S.H.I.S. Stem Clamp Diameter: 28.6 Threadless