 My bike was leaning against a wall at the weekend it got a knock and slid down. Had a quick look and everything seemed okay just another scratch on the seat stay. Only just got round to looking at the bike properly. My Easton Carbon bars now have a big gouge out of the surface about 20 mm long . Are they for the bin. Tried taking a photo but it just doesnt show up black on black and all.
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 how deep? 1mm and over would have my ring twitching when riding
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Its a bit hard to measyre the depth of the gouge but its deep enough to get my thumbnail in the gouge almost looks like the start of a junior hacksaw cut but triangular in section. It was a brick wall it slid down which I suppose is about as abrasive as you can get. I am pretty well resigned to buying some new bars 
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Yep buy some new ones and make a funky key ring from the old bars 
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 Put them on the 'bay, someone will buy them and ride them for years with no issues, but if they do snap it won't be you that's left dribbling and eating through a tube for the rest of your life! No conscience me.
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Just ordered some easton ea30 bars off CRC for £19.99 to get me going till i can afford something nice
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 Rub some white chalk or flour into the gouge,wipe off the surplus. It wont fix them,but it will show up the size of the gouge,that may well be longer than you think.
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 Not a very good advert for the durability of carbon bars, I think I will stick to metal.
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 Not a very good advert for the durability of carbon bars, I think I will stick to metal. Yuk, metal bars!!  Wouldn't be without carbon ones now.
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 Not a very good advert for the durability of carbon bars, I think I will stick to metal. Do you mean the aluminium bars that can work harden & catastrophically fail without any warning? 
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Ah yes, because carbon never fails catastrophically does it, just gradually deforms and goes out of shape.
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4130 for the win
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Ah yes, because carbon never fails catastrophically does it, just gradually deforms and goes out of shape. I don't deny it, but I've had a couple of aluminium bars do just that and it aint nice.
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Do you mean the aluminium bars that can work harden & catastrophically fail without any warning?
Ah yes, because carbon never fails catastrophically does it, just gradually deforms and goes out of shape. Pehaps somebody should tell British Aerospace .as they make the wings for the largest passenger plane from aluminium , and now theyre building a factory to make them from Carbon fibre, not to worry its just a job creation project for north wales, and it will never fly.
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Perhaps someone should tell Sadbloke that we now know about aluminiun fatigue from the Aerospace industry...they discovered that the new wonder material suddenly failed from planes dropping from the sky.
On investigation the metal was beign fatigued from the pressures of going from 0 to 30000ft repeatedly...hence planes being serviced on a regular level.
Shame the average mountain biker doesn't have access to £000000's of X-ray equipment to see if his bars are showing microscopic hairline fractures
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