SHIMANO Rear Mech Dura Ace R9100 11spd SS

The new Dura Ace from Shimano is answers the question of many pros and ambitious amateurs as to whether and how the current, immensely high level of performance could be further increased. Each individual Dura Ace R9100 component is designed to work as efficiently as possible with all other components of the system. This shows the core of Shimano's component-developed-as-a-system philosophy particularly clearly. The result is called SYSTEM SUPREMACY - the superiority of the system over the sum of the individual parts. The new Dura Ace rear derailleur comes with a fundamental design change, the Shimano RD architecture (from the MTB area) served as a basic building block. This low-profile design provides a slim appearance while improving the ability to withstand damage from falls. Weight: 158 g Operating Range: Road Assembly: frame mount Recommended chain: HG-X 11-speed Material type: Aluminium Number of Gears: 11-speed Derailleur Cage Build: short Short rear derailleur capacity Min. largest sprocket: 25 teeth Max. smallest sprocket: 14 teeth Min. smallest sprocket: 11 teeth Max. largest sprocket: 30 teeth Total capacity: 35 teeth Max. difference in front: 16 teeth