Possible replacements for the
Ultegra 6870-GS 11-Speed Medium Cage Di2 Rear Derailleur
---- Archived Product Data ----
Shimano
Ultegra 6870-GS 11-Speed Medium Cage Di2 Rear Derailleur
Shimano Ultegra RD-6870/6770 Rear Derailleurs
- Saver function
- Electronic adjustment
- Wide gear ratio
- Programmed motion
- Sealed bearing tension pulley
Specifications
Cassette Spacing
Shimano / SRAM 11
Rear Shifter Compatibility
Shimano Road Di2
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