Easybikeparts Replacement Headset Bearings are designed to replace worn-out bearings in Specialized Future Shock-equipped models, including Roubaix, Diverge, Sirrus X, and Creo SL. To ensure a perfect fit, this listing offers two options: Future Shock 1.0 Future Shock 1.5 / 2.0 These bearings help maintain smooth steering and precise control, ensuring your Future Shock system continues to perform as intended. A direct-fit replacement, they are easy to install with no modifications required. Compatible with: Specialized Roubaix (Future Shock 1.0 / 1.5 / 2.0) Specialized Diverge (Future Shock 1.0 / 1.5 / 2.0) Specialized Sirrus X (Future Shock 1.5) Specialized Creo SL (Future Shock 2.0) Why Choose Easybikeparts? Choose the correct Future Shock version (1.0 or 1.5 / 2.0) for your bike. Designed to replace worn-out headset bearings for smooth performance. Precision fit to maintain proper handling. Simple installation, no modifications needed.