Ritchey WCS External Cup EC Lower Headset

Genuine Ritchey lower headset external cup with Titanium-coated sealed cartridge bearing. Fits bicycles with 44mm inner diameter headtubes that require external headset cups.

- Material—lower cup and crown race: alloy
- Stack height: 13mm (EC44/33)
- Headtube ID: 44mm
- S.H.I.S.: EC44/33 (1-1/4")
- EC44/33 (1-1/4") bearing: 46.0/34.1/7mm 45°/45°—sealed cartridge (ACB)—titanium coated
- Weight: 61g (EC44/33)