Shimano Rear Mech D/A Di2 R9150 11spd SS

• Repairs and maintenance are necessary, whether you’re a leisure rider or a professional racer.
• Derailleurs & Mechs
• Black/Silver
• SS

The new Dura Ace from Shimano is the answer to the question of many professionals and ambitious amateurs whether and how the current, already immensely high level of performance could increase even further. Every single Dura Ace R9100 component is designed to work efficiently with all other components of the system. This shows the core of Shimano's philosophy of components developed as a system particularly clear. The result is called System Supremacy - the superiority of the system compared to the sum of the individual parts. The Dura Ace rear derailleur comes with a basic design change, the Shimano RD architecture (from the MTB area) served as a basic building block. This low-profile design provides a sleek look while enhancing the ability to survive damage from drops.