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-   -   shimano 9 spd drive train with 10 spd cranks... (https://www.bikeforums.net/bicycle-mechanics/180817-shimano-9-spd-drive-train-10-spd-cranks.html)

zhmontana 03-13-06 02:42 PM
shimano 9 spd drive train with 10 spd cranks...
 
Yes I searched, but found more confusion than anything. I hope that there are some more definitive answers out there now.

I have a mix of 105 and ultegra 9spd. I would like to replace my triple crank with a double ultegra 6600 or dura ace 7800. Will this work, what will need to be replaced at a minimum to make it work?

capwater 03-13-06 02:48 PM
10 speed crank should work with 9 speed, seen it done several times.

gm1230126 03-13-06 06:51 PM
Originally Posted by zhmontana
Yes I searched, but found more confusion than anything. I hope that there are some more definitive answers out there now.

I have a mix of 105 and ultegra 9spd. I would like to replace my triple crank with a double ultegra 6600 or dura ace 7800. Will this work, what will need to be replaced at a minimum to make it work?

It will work with nine speed as well as 10 speed. All chains are 3/32" inside dimension between the plates.

zhmontana 03-13-06 07:17 PM
Confirmed. I installed the DA 7800, works perfectly with my existing set-up.

Thanks!
~ZH


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