Sounds like bent hanger, if not have you got the cable routing through the derailleur right? It's a bit weird, if that's all good check the b adjust, it's not just whack it as close as you can to the cassette on some of the 1x stuff and you may need to push it out further.
Sounds like bent hanger, if not have you got the cable routing through the derailleur right? It's a bit weird, if that's all good check the b adjust, it's not just whack it as close as you can to the cassette on some of the 1x stuff and you may need to push it out further.