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If This Rear Deraillier Gets Bent, Can It Be Replaced

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If This Rear Deraillier Gets Bent, Can It Be Replaced

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Old 11-12-23, 11:47 AM
  #26  
Kontact
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Originally Posted by grumpus
That's OK, it was long enough ago that I don't remember the details, could have been Vitus or Alan or some other, not a clue as to model or year (some time mid-1980s?) and I don't need to convince anyone of anything.
I don't doubt a failing frameset is going to make noise, regardless of construction. But they don't normally make any noise.
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Old 11-12-23, 12:01 PM
  #27  
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Originally Posted by Kontact


If you have a replaceable hanger, you should have a spare, because replaceable hangers are made of very soft metal and have hardware that can be damaged. They are much less tough than aluminum one piece dropouts like you have.
+1. This is the simple answer for the OP that seems to be getting buried in the rest of the discussion.
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Old 11-12-23, 12:44 PM
  #28  
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Originally Posted by bboy314
+1. This is the simple answer for the OP that seems to be getting buried in the rest of the discussion.
But of course, that strength means the mech is going to be the weak point if it falls over that way,
so … be careful (unlike me who left a bike on the patio last week in the sunshine and a sudden squall knocked it over, drive side down. )
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Old 11-12-23, 03:59 PM
  #29  
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Originally Posted by Kontact
If you have a replaceable hanger, you should have a spare, because replaceable hangers are made of very soft metal and have hardware that can be damaged. They are much less tough than aluminum one piece dropouts like you have.
Originally Posted by bboy314
+1. This is the simple answer for the OP that seems to be getting buried in the rest of the discussion.
But the OP's hanger is not a replaceable hanger:
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Old 11-12-23, 04:01 PM
  #30  
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Originally Posted by Iride01
Didn't Trek make a aluminum bike with bonded aluminum tubes back in the previous Century?
Yes. And Trek's first carbon fiber frame used the same aluminum frame fittings as the original bonded aluminum frame; it just used carbon fiber tubes for the frame.
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Old 11-12-23, 04:18 PM
  #31  
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Originally Posted by JohnDThompson
But the OP's hanger is not a replaceable hanger:
Yeah. He has one of those "tough aluminum one piece hangers" that has neither soft metal nor small hardware to get damaged. I was explaining why it is said to be important to have spares for replaceables.

Replaceable hangers are fragile, so have a spare.
Non-replaceable hangers aren't fragile, so maybe it isn't a terrible thing that you can't replace them.
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Old 11-12-23, 05:08 PM
  #32  
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Originally Posted by JohnDThompson
But the OP's hanger is not a replaceable hanger:
see option #2
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Old 12-21-23, 08:46 AM
  #33  
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Thank you for the informative, thoughtful response.
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Old 12-21-23, 09:43 AM
  #34  
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As above, replaceable hangers are fragile and made to fail to protect the frame and rear derailleur. That one appears very robust and IMO would require a major crash to damage.
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