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
Shimano 105 rear derailleur failed with a bang in 3 places at same time. Would fitting a new R7000 rear mech work with my 5800 shifters? : r/bikewrench