Originally Posted by
FBinNY
Ignoring the polemics of the online vs. LBS debate, I suspect that whatever bent or broke the adjuster in transit also bent the RD hanger putting a bit of twist into the mounting.
Your call whether to buy a tool to check and/or straighten the hanger or pay the local shop to do this job.
Dumb question, but:
The bike has carbon dropouts, can they be straightened, or do they need to be replaced?