Backed by a 110-year warranty and constructed in Fletcher, NC, the 110-Series headset is designed with no compromises in quality, durability, or finish quality. External cups press directly into the frame's head tube.Sealed stainless steel bearings. Carbon-friendy compression ring captured in top cover, keeping shims in place. 7075 T-6 aluminum cups machined in Fletcher, NC. Aluminum dual seal crown race protects lower bearing. Interlok spacer compatible. 110 year warrranty. Compatible with straight steerer 1-1/8" forks. Item Specifications: Bearing Type, Cartridge, Color, Black, Weight, 97 g, Upper Stack Height, 16 mm, Lower Stack Height, 12 mm, Crown Race, 30, S.H.I.S Lower, EC34, S.H.I.S Upper, EC34, S.H.I.S. Stem Clamp Diameter, 28.6 Threadless,.
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