Shimano Dura-Ace R9100 Rear Derailleur

The Shimano Dura-Ace RD-R9100 11-speed Rear Derailleur has been redesigned for lighter, quicker operation with the help of low-friction polymer-coated cables. This new derailleur is also Direct Mount-equipped offering a stiffer foundation for improved shifting as well as minimizing the chance of frame damage through a crash. The drivetrain is perfectly balanced for improved performance. All components are part of an integrated system for optimum power transfer, including the vast array of gearing choices to perfectly match your riding style and needs. The Dura-Ace 9100 Rear Derailleur was repeatedly tested for maximum efficiency on all terrains, under all conditions.

For double gearing configurations, 11-speed
Weight: 158 grams
11-spd compatible
Minimum Sprocket: 11 tooth
Maximum Sprocket: 30 tooth