Shimano Ultegra (8000) & Dura-Ace (9100) – GS & SS – Oversized Derailleur AERO Cage – 14–19T

The aero cage for Shimano 11-speed Shimano 11-speed groups DURA ACE and Ultegra 8000/9100 groups is specially designed to maximize the aerodynamic performance of your road bike. Made from lightweight and durable materials, this cage offers a significant reduction in drag, allowing you to gain speed and efficiency on the road. Its optimized design ensures smooth and precise operation, even in the most demanding conditions.