Ritchey WCS External Cup Lower Headset - 1 1/4 Inch - EC44/33 - 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: 13mm (EC44/33)
• Headtube ID: 44mm
• S.H.I.S.: EC44/33 (1 ¼”)
• EC44/33 (1 ¼”) bearing: 46.0/34.1/7mm 45°/45° - sealed cartridge (ACB) – titanium coated
• Weight: 61g (EC44/33)