Originally Posted by
coppercook62
I wanted to switch my cranks to compact on my 2007 record 10 drivetrain. So I emailed excel boulder and they said it could work but it wasnt recomened due to a spring. So i emailed Competive cyclist and they flat out said no it wont work. So I bought 10 speed cranks of ebay. Hope that helps
Are you referring to using 10-speed cranks with 11 speed cups ?
If it's a full swap from 10 to 11, I can't see why it wouldn't work. The difference in chain width is tiny.
Where's Dave ?