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  #31  
Old 08-11-2017, 08:41 PM
dddd dddd is offline
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I recently bought a used bike (Colnago CX-Zero) which had a broken special derailer hanger that no one sold locally and which cost about $50, and only through Colnago's online sellers.

I had to fabricate a new hanger using one of a pretty good assortment of odd hangers that I had around, and it occurred to me that the axle must still be able to seat fully into the dropout slot in the frame in order for the wheel to sit straight.
All told, with having to Dremel, drill and tap with needed accuracy, probably two hours "wasted", but I was able to ride the bike the next morning.
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  #32  
Old 08-11-2017, 08:47 PM
dustyrider dustyrider is offline
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Quote:
Originally Posted by icepick_trotsky View Post
Update--

Thanks for all the feedback. It appears the derailleur hanger bolt I was using did not fit the hanger correctly.

Phew!
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  #33  
Old 08-11-2017, 11:41 PM
ultraman6970 ultraman6970 is offline
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If the RD hanger was tad off at the drop out and the bolts were ok, just file the hanger to fit the drop out?
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  #34  
Old 08-14-2017, 11:00 AM
icepick_trotsky's Avatar
icepick_trotsky icepick_trotsky is offline
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UPDATE:

I had a local framebuilder take a look. He milled down the hanger to seat correctly and to accept a stronger bolt, as he broke one and I broke one of the first size. Wheel looks great now. Full pics in the gallery.

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  #35  
Old 08-14-2017, 08:49 PM
Peter P. Peter P. is offline
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Tip: Have that framebuilder modify another one or two derailleur hangers. Since yours are now non-standard, finding replacements will be impossible. Do it while the work is fresh in the mind of the framebuilder.
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  #36  
Old 08-14-2017, 08:59 PM
Louis Louis is offline
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Nice stick stand!
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  #37  
Old 08-14-2017, 09:20 PM
Gabuyo Gabuyo is offline
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I had a spooky skeletor that had this alignment problem and to my knowledge it seemed like the tolerances were just not very tight when it was initially put together. I just rode it with a cocked brake caliper and had my wheel slightly re-dished, no problems.
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  #38  
Old 08-14-2017, 09:21 PM
pbarry pbarry is offline
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Someone or two posted a suggestion about the D hanger earlier on. They deserve a shout-out.
Glad you got it figured out.

Quote:
Originally Posted by icepick_trotsky View Post
Update--

Thanks for all the feedback. It appears the derailleur hanger bolt I was using did not fit the hanger correctly. New bolt on its way from eBay. Seated better now, hopefully will fit even straighter with a better fitting set of hardware.

For the above question, wheel was seated between the chainstays evenly, but that may be a moot point now.

Just to clear the air, I never meant to cast aspersions on either the builder or the seller. I was worried the frame had been damaged by Fedex or the powdercoat guy, but looks like user error on my end.



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