Shimano Dura-Ace R9100 Rear Derailleur

Shimano Shadow RD low-profile design, Shimano brings much needed wide ratio technology from it's mountain groups to the new Dura Ace rear derailleur.

RD-R9100, SHIMANO SHADOW RD (11-speed)
Shimano Shadow RD low-profile design
Pulley maintains consistent distance to cassette for increased shift stability
Less damage in a crash
Maintains compact and smooth appearance
Total capacity: 35T
Weight: 158g