9 speed Mech with 8 speed chain

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cyberknight

As long as I breathe, I attack.
I have this set up on my commuter and works fine but on the project build with the same set up i get chain rub on the bottom cage where it exits the bottom jockey wheel .
I managed to cure the problem by adding a thin washer either side of the bottom jockey wheel to widen the plate enough, mech and hanger look straight and it shifts perfectly .
Now , is this ok to run like this as a permanent solution or would it be better to get an 8 speed jockey wheel ?
 
How about run it until it becomes a problem?
Agreed.

If you do have to replace anything it should be the chain rather than the jockey wheel.
 
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