How To Fix A Bent Derailleur. A derailleur hanger or mech hanger is not a part most people are aware of but the sacrificial mount for the rear derailleur can cause shifting to go compl. Fixing the bent derailleur hanger with a DIY derailleur alignment tool.
We often see bent derailleur hanger in kids bicycles mountain bikes and sometimes road bikes. Usually it is not the derailleur but the hanger of the rear derailleur which gets bent. Bent derailleur hanger If your rear derailleur is shifting poorly not staying in gear and appears to be bent or out of alignment check first whether the derailleur hanger is bent.
How much does it cost to fix a bent derailleur.
Also check the derailleur body isnt bent twisted. I found a free Trek dumpster bike with a broken mangled derailleur. You might get good enough for 8 speed but with 9 and 10 speed youll have to be lucky. Remove the derailleur and use an adjustable wrench to bend it back into shape on the bike.
