The Specialized Collar Headset is a clamping ring designed to secure the upper portion of the headset system, typically found on bikes equipped with Future Shock suspension systems. It ensures proper preload and alignment of the headset bearings and is often used on models like the Roubaix, Diverge, Creo, Vado, and Sirrus. The collar is made of lightweight aluminum and clamps around the steerer tube using a pinch bolt. It may include an integrated compression ring depending on the model.

• Function: secures headset preload and alignment

• Compatible models: Roubaix, Diverge, Creo, Vado, Sirrus (Future Shock systems)

• Material: aluminum alloy

• Clamp: M5 pinch bolt around steerer tube

• Additional features: may include compression ring or steerer stop depending on application

• Use: replacement or service of upper headset assembly