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Re: WTB: Di2 ST-6871 TT brake shift levers [jbertha]
I’m pretty sure Shimano did a firmware update years ago that prevented the Di2 6770 series to be compatible with 6870/9070 series shifters.
Di2Terry is the expert with Di2, he’ll find the thread I’m sure.
Last edited by: mike s: Feb 17, 23 19:34

Edit Log:

  • Post edited by mike s (Dawson Saddle) on Feb 17, 23 19:34