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Hello all, on my ride out this morning in the Surrey downs I crashed. I'm ok but my bike is not. The derailer slapped clean off right where it connects to the drop outs. I've read load of conflicting advice on Google and I've spoken to several bike shops here in London. So what I'm asking is can anyone recommend someone who fix my frame in the London area. Also I would like to hear from any of you that have had experience of this type of repair.

Many thanks dee.

9 comments

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Gkam84 [9068 posts] 1 year ago
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Stick up a picture or two of the damage.

Unless it is a track bike, it is rare for the drop out to be carbon. It should be an alloy of some sort, so unless it has twisted the rear triangle in any way. It should be a simple enough fix.

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Cyclist [295 posts] 1 year ago
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bashthebox [751 posts] 1 year ago
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I was chatting to a chap in Swift Cycles in Spitalfields, and he told me about an unfortunate woman who'd forgotten to take the skewers out of her wheels when packing it into her bike box. Punched holes in the side of her down tube on her Dogma. Whoops.
Anyway, happy ending is that they've got a reliable repairer for carbon.
...

But as has been said, it seems more likely it's your hanger that's dead, which is a cheap and easy fix.

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giobox [352 posts] 1 year ago
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Gkam84 wrote:

Stick up a picture or two of the damage.

Unless it is a track bike, it is rare for the drop out to be carbon. It should be an alloy of some sort, so unless it has twisted the rear triangle in any way. It should be a simple enough fix.

That really depends on the age of the bike. For carbon frames made in the last few years, manufacturers have largely moved to fully carbon dropouts. In fact, I'd argue its rare for dropouts to be metal on carbon frames these days.

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madonepro [36 posts] 1 year ago
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giobox][quote=Gkam84 wrote:

In fact, I'd argue its rare for dropouts to be metal on carbon frames these days.

I'd disagree with that, I have a couple of Treks, Madone 6.9SSL, a Speed concept and also a new Pinarello Dogma Think 2 and they all have alloy derailleur hangers.

There is no weight or stiffness loss, alloy allows the hangar to be bent back, and replaced in the OP's case.

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madonepro [36 posts] 1 year ago
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I'd say the best thing is it take the bike into a shop, they'll tell you if the hangar can be replaced.

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venus1 [1 post] 1 year ago
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Hi,

You can try Londoncarbonrepairs.co.uk

Good luck.

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kentos1978 [8 posts] 1 year ago
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I cracked a rear stay on mine and used
http://www.carboncyclerepairs.co.uk/

Very good service, just email them with a few photos.

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Lost faith in t... [116 posts] 1 year ago
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as giobox stated, most new high quality carbon frames actually have carbon drop outs.

as for carbon repairs, a lot of the work done is not guaranteed, however obviously if it goes again you can have it repaired again.

I personally wouldn't have any carbon repaired, id look at getting it replaced. Most bike brands will offer a crash replacement scheme if you are the original owner - might be worth a look.