Ritchey WCS Lower Headset Assembly

Drop in lower assmbly with crown race. 45/45 degree angular contact bearing Titanium coated for corrosion resistance WCS Drop In Integrated Lower Headset Assembly IS52/40  For 1-1/2" steerer Alloy Cups Bearing: Sealed cartridge, Ti-coated Color: Gold Crown Race: 40 S.H.I.S Lower: IS52 Bearing Type: Cartridge WCS Lower Headset - EC44/40, Black  Color: Black Crown Race: 40 S.H.I.S Lower: EC44 Bearing Type: Cartridge WCS Drop In Integrated Lower Headset Assembly IS42/30  For 1-1/8" steerer Alloy Cups Bearing: Sealed cartridge, Ti-coated Color: Gold Crown Race: 30 S.H.I.S Lower: IS42 Bearing Type: Cartridge