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PostPosted: Mon Jun 16, 2014 4:04 pm 
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Joined: Thu Aug 16, 2012 1:22 pm
Posts: 124
Location: UK - Hertfordshire
As above please. Not sure if any of you will remember but I had an issue with my crankset 'clicking' which transpired to be caused by my chain ring bolts working loose. God knows how they did. New bike new crankset - anyway. I since tightened them up but clicking not gone. I'm thinking they need to be replaced. Already tried greasing them and re torquing. Can't seem to find anywhere that stocks them though. Any ideas?

Ps. Creaking isn't pedals as tried swapping them, don't think it's the bb itself either. Also greased and tightened wheel skewers.


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Posted: Mon Jun 16, 2014 4:04 pm 


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PostPosted: Tue Jun 17, 2014 12:55 am 
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Joined: Tue Apr 17, 2012 11:20 am
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If they aren't damaged or cracked (they are pretty soft), hold torque, don't loosen and every bolt, surface and thread is clean and greased then I'd be looking elsewhere. 8Nm is pretty high so when all are tight it's difficult to see how you can still have a problem there.


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PostPosted: Tue Jun 17, 2014 8:42 am 
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Joined: Wed Jul 16, 2008 10:37 am
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What type/make rear wheel skewer? have you tried a steel internal cam Shimano/Campag type skewer, many 'crankset clicking' noises are caused by lightweight Ti skewers.


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PostPosted: Tue Jun 17, 2014 9:17 am 
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Location: UK - Hertfordshire
I have mavic wheels and the skewers that came with them. I am sure it's the chain ring as I can replicate it by pushing it with my thumb sometimes. I think it's caused by the fact there is slight play between the bolts and the rings. Anything alloy like that unless completely tight will creak loudly if tolerances are increased due to wear.


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PostPosted: Tue Jun 17, 2014 11:31 am 
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Try torquing them to the correct value. If you can move it with your thumb it's obviously not tight enough.


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PostPosted: Tue Jun 17, 2014 4:50 pm 
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Joined: Thu Aug 16, 2012 1:22 pm
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Location: UK - Hertfordshire
Causidicus wrote:
Try torquing them to the correct value. If you can move it with your thumb it's obviously not tight enough.


I've done that. They don't 'move' per se but the tolerance must've somehow increased while they were loose causing damage to them. It's tricky to explain.


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Posted: Tue Jun 17, 2014 4:50 pm 


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PostPosted: Tue Jun 17, 2014 7:42 pm 
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Joined: Sun Mar 16, 2014 3:43 pm
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Lewis wrote:
As above please. Not sure if any of you will remember but I had an issue with my crankset 'clicking' which transpired to be caused by my chain ring bolts working loose. God knows how they did. New bike new crankset - anyway. I since tightened them up but clicking not gone. I'm thinking they need to be replaced. Already tried greasing them and re torquing. Can't seem to find anywhere that stocks them though. Any ideas?

Ps. Creaking isn't pedals as tried swapping them, don't think it's the bb itself either. Also greased and tightened wheel skewers.


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Are you definitely sure the bolts are the cause?
Kmc chain I saw you writing. Checked the chain and the missing link?
To figure out better: Place your bike in a trainer (indoors) and let a friend try to find the source of the sound while youre biking.

You didnt mention:
- if you have standard Campa chainrings
- if youre looking to standard Campa bolts
- color
- the country you live in

There are plenty of webshops that delivers also ebay and amazon I think, but also every Campa dealer can provide.


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