Thread: Upgrading Ultegra di2 6770 to 11 speed questions.
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Old 08-13-19, 07:50 AM
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LowCel 
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Originally Posted by TimothyH
The latest E-Tube compatiblity chart is May 2019

https://e-tubeproject.shimano.com/guide/#guide_list

According to the chart, a 6870 front derailleur with 9070 rear derailleur is supported.


-Tim-
Thank you. Any idea on the firmware thing and just switching the rear derailleur?
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