Triple chainset road front shifter question

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5 posts & 5 voices | Started 1 year ago by RC | Latest reply from ourmaninthenorth

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RC - Member

Can a triple front road SIS shifter be used with a double road chainset?

Thanks.

RC

Posted 1 year ago #
cynic-al - Member

Usually, yes.

Posted 1 year ago #
Android - Member

I have used an Ultegra triple STI with a compact and it was ok. I would keep an eye out for an double s/h shifter if you are doing it long term, but if you are swaping back and fourth it would be ok.

Posted 1 year ago #
foxyrider - Member

Depends which model but my 105's were fine and my old ultegras can IIRC if that helps? But the new ones are double/triple specific - what model - look them up on shimano tech docs if they are shimano of course

Posted 1 year ago #
ourmaninthenorth - Member

What Al says.

I have Ultegra 6600 STIs. L/H shifter is Triple specific (6600 was sold as triple specifc or double specific). I swapped a triple chainset for a standard double (with a compact double for those big days in the hills).

Shifter works fine, although I did need a double specific front mech. I set the shifter to use the granny for the inner ring, and middle position for the outer ring. Overshifting is blocked in the usual way via the f/mech limit screws.

Posted 1 year ago #

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