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Di2 aero bar button function

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Di2 aero bar button function

Old 09-28-20, 01:22 PM
  #1  
hhk25
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Di2 aero bar button function

I have a new to me tri bike that has Di2 shift buttons on the ends of the aero bars. I was adjusting the indexing and I might have done something to reverse the r.d. buttons. That is, I seem to recall that the right button moved the derailleur to the right (to smaller cogs) and the left button moved the r.d. to the left. I checked a couple of Youtube videos and it seems that's the default. However, after adjustment, my buttons do the opposite. That is - right button moves the r.d. left and the left button moves the r.d. right.

I might have double clicked the junction box button at some point. Could this have made the change? As far as I know, the double clicking changes the shift modes from manual to synchro. BTW, I did not connect to the E-Tube app.

Last edited by hhk25; 09-28-20 at 01:26 PM.
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Old 11-04-20, 07:49 AM
  #2  
r6evo
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Which junction box do you have? is it the 3 or 4 port one? Does it have the wireless unit attached to it?

Double tap the button on your junction box. Every Double tap advances on gearing mode (M->S1->S2 and then back to M) So you may want to do this 2 more times to get back to the original.
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