rear derailleur hanger bolt assembly replacement | Mountain Bike Reviews Forum
Park Tool | Rear Derailleur Hanger Alignment
How do I locate and loosen the rear derailleur hanger bolt? - Bicycles Stack Exchange
Derailleur hanger?? I just picked this bike from the corner and it has no derailleur on it. What kind of derailleur hanger should I buy and how will I install it? Thanks! :