1pc Bicycle Frame Iron Tail Hook Bike Rear Derailleur Hanger With Screws Road Mtb Mountain Bicycle Dropout Adapter - Bicycle Derailleur - AliExpress
Shimano Alivio M410 GS Rear Derailleur - Mantel
How to Install a Rear Derailleur - YouTube
Amazon.com : SunRace Shimano Compatible Index Hanger Plate with Nut and Bolt : Bike Derailleurs : Sports & Outdoors
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
DIRECT MOUNT REAR DERAILLEUR | SHIMANO BIKE COMPONENT