Thread: Swapping a 10 speed crank with 9 speed chainrings...
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Old 01-05-08, 06:14 PM
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Sheldon Brown
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Originally Posted by Hammertoe
I would like to get an Ultegra crankset and swap out the 52/39/30 chanrings with 48/38/26...

I am having a hard time finding a new Ultegra 6503 with 170mm cranks...

Would I be able to remove the chainrings off a 10 speed crankset and replace them with 9 speed chainrings...

I need the 9 speed because I run an XT RD and a 11/34 cassette for hillclimb races...

Thanks...
There's nothing "N-speed" about a crank. There is a teeeeeensy difference in the chainrings for 9-speed vs. 10-speed, but no difference at all in the cranks.

Sheldon "Cranx" Brown
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