Anyone - a query about 2004 Chorus - for about 300km since the new groupset was buit on the rear end has felt (&sounded) "groany", especially under load. Is this a wearing in issue with campag that should resolve in time? Or could it be a chain-line misalignment problem? My frame has the little threaded adjusters in the rear droputs - alignment of the rear wheel looks OK to my eye but could it be that it is "off" a fraction? My last campag groupset was pre-loved daytona that had a few thousand k's on it, so was well worn in and silky smooth when I bought it.
Setup is 2004 Chorus dual, 53/39, 13-29 with medium cage rear derailleur, and connex 10sp chain.
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New Chorus "Groany"
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- armchair_spacem
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Probably not much help, but I had the same issue with our new tandem. The chorus shifted quite well, but also hinted at a little 'groany' sound in the back. It was a new tandem, so there was all kinds of adjusting going on...therefore, can't really pin down what fixed it. But, now it's fine and we've done over 3000km on it.
Recommendations: make sure you're chain length is correct, drop your chain in a decent cleaning solution (preferably with ultrasound), take it in to a reputable shop and ask them to check your derailleur alignment, and pray real hard it goes away.good luck,
michael -
I'm not sure about the noise you describe, but my Chorus (same gears) was noisy generally from day one. I bought a new chain and BOOM it's dead slient on the small ring and makes a nice light mechanical buzzing on the big ring like it should. Try a new chain first and make sure the length is right.
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Quoted post said:
Originally posted by Aztec
I'm not sure about the noise you describe, but my Chorus (same gears) was noisy generally from day one. I bought a new chain and BOOM it's dead slient on the small ring and makes a nice light mechanical buzzing on the big ring like it should. Try a new chain first and make sure the length is right.Thanks for your post - what kind of new chain did you go to - campag or soemthing else (I'm currently running a connex 10sp)
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Campy Record (which is what my first chain was, too). About $40 or less. Try Repartocorse.com (I think that's how you spell it). Performance Bike carries a stainless chain than a friend has used with good results as well. About the same $$$.
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Quoted post said:
Originally posted by Aztec
Campy Record (which is what my first chain was, too). About $40 or less. Try Repartocorse.com (I think that's how you spell it). Performance Bike carries a stainless chain than a friend has used with good results as well. About the same $$$.
Thanks again - I've checked chain length and it apears to be right (at least within the range campag specifies). I went with the wipperman connex chain on the advice of a couple of reasonably reliable LBSs because the special links for the campag 10sp chain are stupidly expensive here (Australia) and almost impossible to get hold of. The special campag tool is also stupidly expensive. -
Branford Bike (www.branfordbike.com) sells a removable link for Campy 10. I have used one for the past year with no problems.
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I use a plain old Park chain tool on my Record chain with no problem at all. You just need to be careful and do it slowly. Sometimes you may need a third hand to hold the chain (with pliers is fine) tightly in the tool so that the pin can go in straight. No biggie at all.
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Quoted post said:
Originally posted by armchair_spacem
Thanks again - I've checked chain length and it apears to be right (at least within the range campag specifies). I went with the wipperman connex chain on the advice of a couple of reasonably reliable LBSs because the special links for the campag 10sp chain are stupidly expensive here (Australia) and almost impossible to get hold of. The special campag tool is also stupidly expensive.Use a connex link wit a record chain.
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