The WCS External Cup EC threadless headset is the reliable workhorse of the Ritchey threadless headset range. This smooth and reliable model is lightweight and features precision-machined aluminum cups, sealed cartridge 45/45-degree hybrid ceramic bearings with a titanium coating, and comes with Ritchey Grease and a sealed design promising minimal ingress of the elements.

Article number 33055337005 EAN 796941330763 Brands Ritchey Headset size 1 1/8 Inch Head tube inner diameter bottom (mm) 34 Head tube inner diameter top (mm) 34 Fork steerer diameter bottom (mm) 28.6 Fork steerer diameter top (mm) 28.6 Stack height (mm) 28.3 Type LOGIC