Campagnolo Record Carbon Crankset Faillure
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Campagnolo Record Carbon Crankset Failure
Hola,
I have a big problem with my Campy crankset...the alloy part (the one from BB) in the left arm has unglued from the carbon frame of the arm and now it moves. I don't know why..I didn't hit it or smth...can I repair this with rivets? Thank you!
I have a big problem with my Campy crankset...the alloy part (the one from BB) in the left arm has unglued from the carbon frame of the arm and now it moves. I don't know why..I didn't hit it or smth...can I repair this with rivets? Thank you!
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It won't move whole 360 degrees, it's still rideable, but it moves like one mm and it make some sounds... I love this crank so much...WHY GOOOOD WHYYYY??? ((((
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Try glue. You have nothing to lose (except maybe your life when the thing catastrophically fails).
It was glued in there to begin with.
Some stuff really ought to be made out of metal.
It was glued in there to begin with.
Some stuff really ought to be made out of metal.
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["Mission Impossible" theme song playing]
My plan is to use rivets or screws (i have to drill holes in carbon material to reach the aluminium) so in this way i can pump some strong glue inside and fix the alloy with rivets or screws...Did i have a chance? I have nothing to lose now )
My plan is to use rivets or screws (i have to drill holes in carbon material to reach the aluminium) so in this way i can pump some strong glue inside and fix the alloy with rivets or screws...Did i have a chance? I have nothing to lose now )
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Contact Campy?
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How old is this crank? I assume several years since it's a square taper. Try contacting Campagnolo-USA and see if they will warranty it with a repair or replacement.
I agree with the others, I wouldn't ride it. It's only going to get worse and eventually fail completely and you don't want to be riding it when that happens. If the factory bond didn't hold, rivets won't either.
I agree with the others, I wouldn't ride it. It's only going to get worse and eventually fail completely and you don't want to be riding it when that happens. If the factory bond didn't hold, rivets won't either.
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I brought it second handed 2 years ago...is the 2002 model...so...I belive that's the normal lifespan..so no need to contact Campy...they will say the same...I must admit it...it died
#11
~>~
It's not 1969 anymore, fortunately.
Hardware, especially lightweight equipment designed for racing, fails in service at some point and needs to be replaced.
Remember the Campag drive-side crank-arms cracking back when? I do, and they were "metal".
Buying at the leading edge of tech gets you the privilege of having "cool stuff" and being a Beta tester.
Buying "second handed" once leading edge tech gets you someone else's problem and obsolescence.
-Bandera
Hardware, especially lightweight equipment designed for racing, fails in service at some point and needs to be replaced.
Remember the Campag drive-side crank-arms cracking back when? I do, and they were "metal".
Buying at the leading edge of tech gets you the privilege of having "cool stuff" and being a Beta tester.
Buying "second handed" once leading edge tech gets you someone else's problem and obsolescence.
-Bandera
Last edited by Bandera; 06-19-19 at 08:42 AM.
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#12
Banned
Buy new cranks and get cold forged aluminum ones this time..
Get the Record Track crankset ,,,since it looks like you're probably a fixie rider...
....
Get the Record Track crankset ,,,since it looks like you're probably a fixie rider...
....
Last edited by fietsbob; 06-19-19 at 12:46 PM.
#13
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It's not 1969 anymore, fortunately.
Hardware, especially lightweight equipment designed for racing, fails in service at some point and needs to be replaced.
Remember the Campag drive-side crank-arms cracking back when? I do, and they were "metal".
Buying at the leading edge of tech gets you the privilege of having "cool stuff" and being a Beta tester.
Buying "second handed" once leading edge tech gets you someone else's problem and obsolescence.
-Bandera
Hardware, especially lightweight equipment designed for racing, fails in service at some point and needs to be replaced.
Remember the Campag drive-side crank-arms cracking back when? I do, and they were "metal".
Buying at the leading edge of tech gets you the privilege of having "cool stuff" and being a Beta tester.
Buying "second handed" once leading edge tech gets you someone else's problem and obsolescence.
-Bandera
This was sliced for analysis in an electron microscope and failure pointed to the concave machining on opposite side during manufacturing to cause stress fracture.
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#14
~>~
Even the Campy Record non drive arm had failures.
-Bandera
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["Mission Impossible" theme song playing]
My plan is to use rivets or screws (i have to drill holes in carbon material to reach the aluminium) so in this way i can pump some strong glue inside and fix the alloy with rivets or screws...Did i have a chance? I have nothing to lose now )
My plan is to use rivets or screws (i have to drill holes in carbon material to reach the aluminium) so in this way i can pump some strong glue inside and fix the alloy with rivets or screws...Did i have a chance? I have nothing to lose now )
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...that's a reasonable plan. I just have to wonder if you've ever busted a crank arm while you were standing up on the pedals. I'ts a very spectacular experience, and often leads to a comedic ending for everyone except the the rider. YOur estimate of what you have to lose ought to include your gonads.
OP: Racing and pseudo-racing parts have limited life and are disposable. You paid extra for that. Your plan weakens the crank arm at the worst possible place -- please reconsider.
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This rivet-or-screw plan sounds stupid - the area you indicate you intend to drill and put fasteners is probably the most highly stressed area of the part, and drilling will remove material and therefore strength.. Check ebay for a replacement left arm, or buy a new crankset.
There are a lot of equipment failures that you can happily walk away from. A broken crankarm is generally not one of them.
There are a lot of equipment failures that you can happily walk away from. A broken crankarm is generally not one of them.
#19
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To the OP: please buy a new crank.
I know that nearly 20 years ago that was a really nice carbon campy crank and it has "Record" printed on it, but it's not safe to ride it now – and you can easily replace it with a very nice, highly functional crank, without spending much money.
I know that nearly 20 years ago that was a really nice carbon campy crank and it has "Record" printed on it, but it's not safe to ride it now – and you can easily replace it with a very nice, highly functional crank, without spending much money.
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THIS!:
OP: It's time to fall out of love. You can keep the crank, admire it, caress it, just don't ride it.
To the OP: please buy a new crank.
I know that nearly 20 years ago that was a really nice carbon campy crank and it has "Record" printed on it, but it's not safe to ride it now – and you can easily replace it with a very nice, highly functional crank, without spending much money.
I know that nearly 20 years ago that was a really nice carbon campy crank and it has "Record" printed on it, but it's not safe to ride it now – and you can easily replace it with a very nice, highly functional crank, without spending much money.
OP: It's time to fall out of love. You can keep the crank, admire it, caress it, just don't ride it.
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This rivet-or-screw plan sounds stupid - the area you indicate you intend to drill and put fasteners is probably the most highly stressed area of the part, and drilling will remove material and therefore strength.. Check ebay for a replacement left arm, or buy a new crankset.
There are a lot of equipment failures that you can happily walk away from. A broken crankarm is generally not one of them.
There are a lot of equipment failures that you can happily walk away from. A broken crankarm is generally not one of them.
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...that's a reasonable plan. I just have to wonder if you've ever busted a crank arm while you were standing up on the pedals. I'ts a very spectacular experience, and often leads to a comedic ending for everyone except the the rider. YOur estimate of what you have to lose ought to include your gonads.
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#25
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current campagnolo cranks are no longer square taper https://www.campagnolo.com/US/en
Maybe you can mail, yours to an authorized Campagnolo service center ??
5431 Avenida Encinas, Suite C ,
, Carlsbad California, 92008 ..
They will say if its repairable. and how much $$ it is, if they were approved to try..
...
Maybe you can mail, yours to an authorized Campagnolo service center ??
5431 Avenida Encinas, Suite C ,
, Carlsbad California, 92008 ..
They will say if its repairable. and how much $$ it is, if they were approved to try..
...
Last edited by fietsbob; 06-20-19 at 10:43 AM.