
Description
The RITCHEY WCS EC44/40 External Headset Lower Cup is an external-cup (EC) lower headset cup fitted with a titanium-coated sealed cartridge bearing. It suits frames with a head tube internal diameter of 44 mm that require external cups.
The cup and bearing race are made from alloy, with a stack height of 14.3 mm. The 51.9/40.0/8 mm 45°/45° bearing fits 1"1/2 steerers, and the assembly weighs 69 g.