Shimano Dura-Ace RD7900-SS 10-Speed Rear Derailleur - 2017

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Shimano Dura Ace RD7900 Rear Derailleurs. The new design is compatible with wider range cogsets and can accommodate a maximum 28 tooth cog. The available wider range creates even better compatibility with compact cranksets.

  • Compatible with 9- or 10-speed Shimano drivetrains
  • Not compatible with Dura-Ace 8-speed shifters
  • Large 11-tooth pulleys with sealed bearing for smooth, quiet running
  • Dura-Ace 7900 rear derailleur features carbon pulley plates and a wider gear-ratio - yields triple capacity without a GS rear derailleur