Did you know that you can mix Di2 components from different series and categories? Mixing derailleurs is not recommended, but anything else is fair game!
Rear Derailleur (10 speed)
Compatibility warning: none of the 7970 series components will work with other generation Di2 components. The plug is different and simply won't fit.
This short cage (SS) DURA-ACE rear derailleur will take a max low sprocket of 27T and a min top sprocket 11T. It has a total capacity of 32T with a max front difference of 16T.
- Model code
- DURA-ACE (7970)
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Indexing, trimming, or fine-tuning Di2 rear derailleurs is done through micro-adjustment. Read how to set up your Di2 rear derailleur perfectly and ride without those grinding noises.