Stripped new Shimano rear derailleur hanger bolt…it's snug in there but I want to know if I can replace it so I can maintain it in the future. Or am I out
Why You Should Always Carry a Spare Derailleur Hanger | BETD Blog
How to replace a derailleur hanger | MTB.guide
How to Find the Correct Derailleur Hanger
Derailleur hanger types? How to find it? What is dropout? - Elanus Parts
Park Tool | Rear Derailleur — Advanced Troubleshooting