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3 votes
2 answers
865 views

What kind of rear derailleur is compatible with hanger on my bicycle

I have a Giant OCR (2004). I need to replace the rear derailleur (10 speed long cage - triple front chain ring). I've attached a picture of the hanger. What type of derailleur would work with this ...
Kevin Hoogerhyde's user avatar
10 votes
4 answers
1k views

Are brifters meant to spin/slide on impact, by the choice of a low attachment-bolt torque?

One delicate and valuable part on a bike, the rear derailleur, is attached by a sacrificial part. The derailleur hanger is designed to be weak and to bend on impact, sparing the derailleur and the ...
Sam7919's user avatar
  • 10.3k
6 votes
2 answers
1k views

I lost one of the rear rear derailleur hanger screws, what could be the cause, and is it safe to ride before I replace the bolt

I noticed that I lost one of the two small screws on the rear derailleur hanger attaching the hanger to the frame on my road bike. Might there be something wrong with my shifting that caused that? ...
A. Jahin's user avatar
  • 295