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Depends where it rubs and how much, but you can try rotating the FD slightly, or bending the inner plate slightly (if you're sure you're on the limits)
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I'm getting a very slight chain rub on the front mech when I'm the lowest gear.
Have you utilized the tension screw? (that presses against the seat tube)
I'd back off the screw, angle the FD inboard a little and then use the tension screw to push the cage to a little less than parallel with the chainrings.
hippy
pifko
@frank9755
I'm getting a very slight chain rub on the front mech when I'm the lowest gear.
Low limit on front mech is out to the max.
It's a GRX chainset and ultegra front mech, I guess I either just live with it or get a grx front mech.
Actually, no, that wouldn't help as it would be further out and rub more. Maybe it's inevitable with 30T inner ring. On my frame, anyway.