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Discussion Starter · #1 ·
Below are some pictures of my broken bike, the derailleur has snapped off from the bike.

It is a newly purchased 2nd hand QR Lucero carbon fiber tri bike.

I was changing into 1st when the bloody thing just went up into the spokes and snapped off.

Looks like a nightmare to fix as it seems to be part of the frame or can it be welded.

I will take it to a bike shop tomorrow but if I could get a heads up on what maybe required it would be great. I feel like ill need a new frame as the whole thing seems attached. And thus have wasted $1500.

Any Advice Appreciated.

Ian Doherty


 

· Adventure Seeker
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EEK! Not a replaceable derailleur hanger. The dropouts will have to be replaced, and you might be able to get one inserted that has a replaceable hanger. Your shop should know who to send it to.
Oh, might look into getting both replaced, with vertical dropouts, to facilitate changing tires.
And welcome to the forums.
 

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If you can get a replacement dropout from the frame seller and find someone who repairs carbon, it's not that difficult of a job. The dropout is glued into the chainstay, so careful application of heat will soften the bond. After cleaning the inside of the chainstay , the new dropout is glued in and re-attached to the seatstay.
 

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Sounds like a plan.

iandoherty said:
I'm gonna try and see if I can get a replaceable hanger attached some how.
Seeing how little material you got to work with, the "department store claw hanger" might be your best bet. Here's a picture of one, and some ideas on how to modify it so it'll work with your frame. Might have to flip it for your rear-facing slot.
http://www.crankzone.com/make-a-universal-derailleur-hanger/
 

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Better solution......that's a horizontal dropout, so that frame has fixie written all over it! Saw the remaining stub off, get a rear track wheel, and you're good to go! Then get a new road frame and install the drivetrain.
 

· Matnlely Dregaend
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I'm curious if you changed to a larger cassette end cog or chain ring when this happened without adding links in the chain?
 

· 'brifter' is f'ing stupid
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i'll bet that bike fell over or somehow landed on the right hand side right before this whole thing happened, yeah? if your bike shifts just fine, and then all of a sudden sucks the derailleur into the spokes, 9 out of 10 times that's the reason. if the chain is the proper length, you can switch between a 21 and a 28 and not have problems like this. the hanger was probably bent from a crash or fall over and could do nothing other than shift into the spokes...
 

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Discussion Starter · #11 ·
it never shifted well, never bothered to get a tune when i bought it 2 weeks ago, i knew it caught a little bit before never used the lowest gear much & when I was going slow it caught a small bolt end good and proper and just ripped it off, the spokes are perfect. live and learn I guess, got a tri in 12 days time, gonna use a temp. hanger if possible. then not sure what ill do.... seems like a pricey fix for something that can snap again.
 
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