Bicycle Mechanics - 9 speed chainrings on a 7 speed crank

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screamtone
05-28-07, 07:50 PM
I've got a bike with a 7 speed Exage crankset and Biopace rings. I've got some 9 speed 105 chainrings and I want to swap these out with the Biopace. Is there anything that would prevent me from doing this?

grolby
05-28-07, 09:38 PM
No.
operator
05-28-07, 10:54 PM
Assuming the BCD's are the same then it should work.

screamtone
05-29-07, 05:46 AM
Thanks