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