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. Zero stack uppers press into head tube with very little stack height. Lowers are either zero stack or external cup. Key Features 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 tapered 1-1/8" to 1-1/2" steerer tubes, or straight 1-1/8" steerers with a conversion crown race (sold separately) Specifications Color Black Lower Stack Height 4 Bearing Type Cartridge Crown Race 40 Defined Color Black Upper Stack Height 8 S.H.I.S Upper ZS44 S.H.I.S. Stem Clamp Diameter 28.6 Threadless S.H.I.S Lower ZS56
