Ritchey WCS External Cup Lower Headset - 1 1/2 Inch - EC44/40 - black

Genuine Ritchey lower headset external cup with Titanium-coated sealed cartridge bearing. Fits bicycles with 44mm inner diameter headtubes that require external headset cups. Technical Information of the WCS External Cup Lower Headset Material - lower cup and crown race: alloy Stack height: 14.3mm (EC44/40) Headtube ID: 44mm S.H.I.S.: EC44/40 (1.5”) EC44/40 (1.5”) bearing: 51.9/40.0/8mm 45°/45° - sealed cartridge (ACB) – titanium coated Weight: 69g (EC44/40)