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Discussion Starter · #1 ·
I've tried reading the sticky on drivetrain compatibility but still getting confused

I'm trying to build a Surly ECR using my, what I found out, outdated drivetrain.

I want to use my old shimano 3x9 speed shifter with a Surly OD crankset with a 20-34 chainrings

what front mech is compatible with this?
Also I think I need a front mech that has a cable stopper? because the seat tube don't have one as per the picture.

Reading this Speed FAQ.pdf

I have a bit of an idea what I need to buy but want some input just to make sure to save me the trouble of buying and returning after finding out it is not compatible. TIA
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