FSA Orbit 1.5" ZS Internal Threadless Headset Sealed Cartridge Bearings

FSA Orbit ZS Headsets ZS44/28.6 (36x45) | ZS56/39.78 (36x45). Item Specifications: Color, Black, Weight, 125, Crown Race, 40, Bearing Type, Cartridge, Defined Color, Black, S.H.I.S Upper, ZS44, S.H.I.S Lower, ZS56, S.H.I.S. Stem Clamp Diameter, 28.6 Threadless,.

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