Need help with compatibility on Shimano Di2 TT components

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Noctiluxx
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by Noctiluxx on Mon Sep 02, 2019 2:24 pm

I'm building a tri-bike and currently have Ultegra 8050 di2 front and rear derailleurs. So now I need bar end shifters along with brake levers/shifters for the aero TT/Tri cockpit. I'm looking at Dura Ace ST-R9160 Di2 (current generation) brake levers/shifters along with Dura Ace SW-9071 Di2 from previous generations. Will I have a compatibility issues running three different groupsets?
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by Weenie on Mon Sep 02, 2019 2:24 pm


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miltmaster3
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by miltmaster3 on Mon Sep 02, 2019 2:41 pm

Not at all I use 9160 bar end with 9071 break with no problems as long is e tube


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miltmaster3
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by miltmaster3 on Mon Sep 02, 2019 2:42 pm

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arty118
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by arty118 on Tue Sep 03, 2019 2:07 am

All of those shifters are compatible with your setup. Just make sure that you have the latest version battery as you need full syncro mode.

I prefer being able to shift the front by myself so I choose BR-6871 brake/shifter on my setup.
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MayhemSWE
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by MayhemSWE on Tue Sep 03, 2019 11:43 am

There are very few incompatibilities among Di2 components. I only know of three:
  1. Dura-Ace 7970 pre-dates E-tube and its components cannot be mixed with any other groupset.
  2. A mountain rear/front derailleur cannot be combined with a road front/rear derailleur.
  3. An Ultegra 6770 10-speed front/rear derailleur cannot be combined with an 11-speed rear/front derailleur.
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miltmaster3
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by miltmaster3 on Tue Sep 03, 2019 1:18 pm

MayhemSWE wrote:There are very few incompatibilities among Di2 components. I only know of three:
  1. Dura-Ace 7970 pre-dates E-tube and its components cannot be mixed with any other groupset.
  2. A mountain rear/front derailleur cannot be combined with a road front/rear derailleur.
  3. An Ultegra 6770 10-speed front/rear derailleur cannot be combined with an 11-speed rear/front derailleur.
The 2) work perfect ( road - mountain) as long as it is e tube


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MayhemSWE
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by MayhemSWE on Tue Sep 03, 2019 1:29 pm

miltmaster3 wrote: ↑
Tue Sep 03, 2019 1:18 pm
 The 2) work perfect ( road - mountain) as long as it is e tube
No they don’t. Read my statement above again. Mountain derailleurs can be used with road levers, but you cannot combine a mountain rear derailleur with a road front derailleur.
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Speedman
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by Speedman on Sat Oct 05, 2019 7:04 pm

Does anyone know if I can connect a SW-R610 Di2 Sprint Shifter with a the TT switcher or TT brake shifter ?
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by Weenie on Sat Oct 05, 2019 7:04 pm


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DeeHubbs
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by DeeHubbs on Sat Oct 05, 2019 7:33 pm

https://e-tubeproject.shimano.com/pdf/e ... -00-EN.pdf
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