Originally Posted by
Bah Humbug
If it's trimmed and not touching the derailleur... what's causing the noise? You said the noise was in the big ring, which means it's not from rubbing against the big ring.
See my reply to another comment. Trying to hit all of them since I appreciate the input.
The noise is the chain on the big ring, due to the misalignment. It rubs the side of the ring as it is pulled to the side to get on the teeth. (that may not be the best description, but I took a shot at it!)
Thanks