#16
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the bottom of that dent features a sharp crease, that can't be good. It may already be cracked, possibly only on the inside.
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#17
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Steel chainstays can be replaced. If the frame has value to you, replace the stay if that's the only thing wrong with it.
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BIXXIS Prima Cyfac Fignon Proxidium Legend TX6.5 |
#18
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But it's aluminum. That frame has a future -- as a beer can
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#19
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If that were my frame, I'd either send it off to someone who could replace the whole chainstay, or cut out the dent and patch it with carbon fiber.
__________________
Instagram - DannAdore Bicycles |
#20
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I have a aluminum peg that cracked on the bb. In my case it made sense to weld the repair and I've ridden tons of miles with it.
Given your picture and description, I'd ride it and just keep an eye on it. Consider cleaning up the paint and scratches at the dent (i.e. remove paint, polish, etc) so that its more obvious if some sort of crack does develop. -Bernie |
#21
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Quote:
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#22
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Personally, I would ride it. I have broken several frames at the chainstays, in my experience, it was not a catastrophic failure in the sense that I crashed, or flames and explosions were involved. It was more a sense of "somethings odd, seems loose".
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#23
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The first thought here was what the stresses looked like at that location, then whether any finite element analysis could show that appropriate to the location and orientation of the dent.
Sheldon Brown has a detailed piece on the early design of a Trek aluminum frame. https://www.sheldonbrown.com/rinard/fea.htm The location appears to be a lower stress area compared to the rest of the frame, which is good. Another question would be whether cyclical fatigue failure would come into play anytime soon. Perhaps cleaning up the area enough to put some nice matching paint on it, then watching to see if any cracks develop over time. Just two thoughts.... |
#24
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Its a shame this frame cant live on with the pedigree and all but its just not worth it monetary and timewise to try and bring it back to the streets. It popped up on my pegoretti saved searches. Someday it will be a 58 in steel with no dent! Tho i think its only 2 of them in the last 3 years total so may still be a while. |
#25
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I would continue to ride that. Try and match up the color with some nail polish and fugetabout it.
I rode a bike like that for years. |
#26
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chain stay dent
The guy is full of **** and tryin to sell u somthin point blank ive been ridin for 48 years with all sorts of dent dings in different frames THAT IS A NON ISSUE , a hairline crack on a fork or ridin on a recalled fork is where the grim reaper comes into play .
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#27
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I would not rely on my experience but I would continue to ride the crap of that frame, doesn't look too bad to me.
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#28
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I have a CAAD8 with a similar size ding in the driveside chainstay. Dropped a big wrench on it, like an idiot.
Anyway, that happened in 2009, and the bike was ridden nearly daily from 09 to 2017 including some big hard rides, town line sprints, etc. with no issues and no observable change in the shape or size of the dent. My only real issue with it is that I don't ride that frame anymore but it also has no sale value but maybe I would build it up again but probably not so it's just hanging in the garage. I dunno, maybe I could give it away for the price of shipping. |
#29
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Yeah if it were mine and my size id likely gamble on it and continue to ride. But to buy it in this state is another story.
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