Di2 TT shifter question
Moderator: robbosmans
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Probably a stupid question, but does anyone know the function of the round button at the bottom of a Di2 SW-7971 TT shifter? It is 'connected' with a wire, but I can't see anything happening when I press it.
I have a used bike and everything seems to work ok, just can't figure out what this button is supposed to do...
I have a used bike and everything seems to work ok, just can't figure out what this button is supposed to do...
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I'm pretty sure it is just a plug with nothing attached. I can check this afternoon though.
So I double checked and they don't do anything. I have the tt attached via sti's rather than a full tt box.
So I double checked and they don't do anything. I have the tt attached via sti's rather than a full tt box.
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Stuartclark1977 wrote:I'm pretty sure it is just a plug with nothing attached. I can check this afternoon though.
So I double checked and they don't do anything. I have the tt attached via sti's rather than a full tt box.
Ok, tnx for checking!
knukkeltje wrote:Probably a stupid question, but does anyone know the function of the round button at the bottom of a Di2 SW-7971 TT shifter? It is 'connected' with a wire, but I can't see anything happening when I press it.
I have a used bike and everything seems to work ok, just can't figure out what this button is supposed to do...
switch for SC-7900 computer
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collin wrote:it's connection plug when you connect shimano e-tube project.
The shifters in the image are from the Di2 7970 10-speed group that pre-dates E-tube technology.
- Michael
"People should stop expecting normal from me... seriously, we all know it's never going to happen"
"People should stop expecting normal from me... seriously, we all know it's never going to happen"