I came across a post on WW where someone stated 11 speed DA Di2 shifters worked flawlessly with Ultegra 11 speed Di2 parts. I can't seem to find that post anymore.
Could someone tell me more about the (in)compatibility of different parts?
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11 speed Dura ace Di2 shifters compatible with 11 speed Ulte
Moderator: robbosmans
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jorisee01 wrote:So I can even buy a set of used 6770 shifters with a 11 speed derailleur?
Is it also possible to upgrade a 10 speed derailleur to 11 speed through firmware?
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St-6770 with 11 speed derailleur? Yes, I have used st-6700 with Fd-6870 and Rd-9070
Is it also possible to upgrade a 10 speed derailleur to 11 speed through firmware? It is not possible to update
Di2 compatibility down to a few rules
1) if its not e-tube, it only works with itself. See Dura-ace 7970.
2) Match the derailleurs for discipline, and speed. (road vs mtb, 10 vs 11 speed) (older firmware versions can mix 10s and 11s, but shimano patched that out)
3) Use any shifters, batteries or junctions you want assuming you update the firmware. Old external batteries need to be updated with an older programmer once -most shops with the box will do it for free/beer money. afterwards you can use the newer interface.
4) plug whatever you want into any port (except the keyed sprint shifter ports on the ST-6870/9070 STI shifters)
5) Use only one battery.
1) if its not e-tube, it only works with itself. See Dura-ace 7970.
2) Match the derailleurs for discipline, and speed. (road vs mtb, 10 vs 11 speed) (older firmware versions can mix 10s and 11s, but shimano patched that out)
3) Use any shifters, batteries or junctions you want assuming you update the firmware. Old external batteries need to be updated with an older programmer once -most shops with the box will do it for free/beer money. afterwards you can use the newer interface.
4) plug whatever you want into any port (except the keyed sprint shifter ports on the ST-6870/9070 STI shifters)
5) Use only one battery.
Forgot one:
6) You need at least one A junction in the system (the junction with the button to put it into adjust mode). You can run multiple A junctions, but shimano's software won't let you muck with any settings with more than one A junction connected.
6) You need at least one A junction in the system (the junction with the button to put it into adjust mode). You can run multiple A junctions, but shimano's software won't let you muck with any settings with more than one A junction connected.
You mean this thread? http://www.tririg.com/articles.php?id=2 ... ing&page=3
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thought it was in viewtopic.php?f=3&t=118212&hilit=junction, but I can't seem to find it now...
Regardles, http://e-tubeproject.shimano.com/pdf/20 ... art_en.pdf says it will work.
And I bet it would work with an internal battery, you'd just not be able to charge it
And I bet it would work with an internal battery, you'd just not be able to charge it
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