Shimano Ultegra RD-6870 SS Di2 Rear Derailleur (11-Speed)
This is the Shimano Ultegra Di2 Rear Derailleur RD-6870 SS with short cage. The Ultegra Di2 series with electronic shifting is "pro-proven" as it is a direct trickle down from the Dura Ace group. It stands for state-of-the-art technology, proven in pro races, the technologies used in the Ultegra 6870 11-speed series. The electronic shifting lets you concentrate on your performance.
- Electronic adjustment
- Saver function
- Sealed bearing tension pulley
- Wide gear ratio
- Programmed motion
Cassette Spacing: Shimano/SRAM 11
Shifter/Derailleur Compatibility: Shimano Ultegra Di2
Largest Cog: 28
Chain Wrap Capacity: 33
Cage Length: Short
This product was added to our catalog on July 29, 2014.