Ritchey WCS Logic 1-1/8" Threadless Headset: EC34/28.6 EC34/30, Black EA Headsets

33055337005 Ritchey WCS Logic 1-1/8" Threadless Headset: EC34/28.6 EC34/30, Black Headsets EA Black Lower Stack Height 12.9 Upper Stack Height 15.4 S.H.I.S Upper EC34 S.H.I.S. Stem Clamp Diameter 28.6 Threadless S.H.I.S Lower EC34 Color Black Crown Race 30 Bearing Type Sealed Cartridge Weight 110 Defined Color Black