The Ritchey WCS Logic-E Headset External Cups EC44/28.6 are precision headset components engineered for riders who value smooth steering performance and premium build quality. Designed for frames with an external cup headset system using an EC44 lower interface and 28.6mm upper bearing size, these cups provide the solid, reliable seating surfaces that keep your front end running true and responsive.

Part of Ritchey’s World Championship Series (WCS), the Logic-E external cups feature precision machining and robust materials that enhance durability without unnecessary weight. The accurate fit helps maintain proper headset geometry, reduces unwanted play, and promotes consistent rotational performance under load — whether you’re sprinting on pavement, carving gravel, or tackling long days in the saddle.

Finished in an anodized black, these external cups offer corrosion resistance while complementing a wide range of frame designs. Their refined tolerances and durable construction make them well suited for frequent riders, weekend warriors, and custom builds alike. Proper installation ensures smooth, predictable steering and long-term reliability as part of your bike’s headset system.... Read More