![Bike build help! Is this shimano 105 r7000 derailleur correctly attached to this hanger? The B link thing is confusing (Bike frame is vintage racer frame from early 90s) More details in Bike build help! Is this shimano 105 r7000 derailleur correctly attached to this hanger? The B link thing is confusing (Bike frame is vintage racer frame from early 90s) More details in](https://i.redd.it/2oy3cjn6kks61.jpg)
Bike build help! Is this shimano 105 r7000 derailleur correctly attached to this hanger? The B link thing is confusing (Bike frame is vintage racer frame from early 90s) More details in
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![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 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](https://preview.redd.it/xw64j3482il71.jpg?width=640&crop=smart&auto=webp&s=7c8c62ab8f1a52b2f47b5b8b722436857b7ae55d)
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
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