Shimano RD-6870 Ultegra Di2 SS 11-Speed Rear Derailleur (Short)
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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.
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 March 7, 2018