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PostPosted: Thu Oct 27, 2016 6:03 pm 
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Joined: Wed Feb 01, 2012 12:34 am
Posts: 60
After searching this only references to Shimano were found. Those indicated it would work.

So, specifically does anyone have insight as to whether an 11 speed Campagnolo Record crank will work with a 9 speed chain?

This is all toward the end of completing a piece meal 11 speed upgrade from 9 speed.

Thanks.


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Posted: Thu Oct 27, 2016 6:03 pm 


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PostPosted: Thu Oct 27, 2016 7:50 pm 
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Joined: Thu Sep 21, 2006 8:54 pm
Posts: 1123
Location: Reading, UK
A 9sp chain will certainly sit on the chainrings. One might wonder whether the front shifting will be affected by the slightly narrower spacing between the two chainrings with 9sp.

Perhaps you can run a 10sp chain on 9sp.


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PostPosted: Thu Oct 27, 2016 8:20 pm 
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Good point regarding the (perhaps) narrower chainwheel spacing. That's my specific concern, not having an 11 speed crank to measure with a caliper to get a comparison.

I seem to recall from somewhere the pin length is the same with the side plates somehow making the difference.


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PostPosted: Thu Oct 27, 2016 9:48 pm 
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With current 11sp, and an 11sp narrow chain, the chain just barely, and I mean barely, clears the pickup pins on the large chain ring when you're crossed (meaning small chain ring, small cog). I would think that a thicker chain would at a minimum make using at least the smallest two cogs while in the small chainring unworkable. You shouldn't really be crosschaining like that anyway. And I'd be a little leery of the front either throwing the chain or having it ride on top of the teeth of the smaller chainring for a while before settling in. Like @Miller was implying above, if the 10sp chain is narrower than a 9sp chain, then I'd be more inclined to try that. It would be a 'tweener kind of compromise. Better at the front I would expect, but not so narrow (11sp chain) that it may compromise shifting in the rear even further. It would be a compromise at best whichever way you go, but you'd just have to try it and see if it is acceptable to you... at least till you can get a completely compatible groupset.

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PostPosted: Thu Oct 27, 2016 9:53 pm 
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Joined: Wed Feb 01, 2012 12:34 am
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Thank you. That's exactly the info I was in search of.


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PostPosted: Fri Oct 28, 2016 7:39 am 
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in the industry

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Location: Glermsford, Suffolk U.K
use a 10 speed chain on an 11 speed chainset with 9 speed cogs and you will be fine. Done this before and it works.

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PostPosted: Fri Oct 28, 2016 9:09 am 
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Joined: Thu Sep 29, 2016 12:45 pm
Posts: 87
Location: Newcastle, UK
More detail here about 'width' of chains.

http:/velonews.competitor.com/2016/01/bikes-and-tech/technical-faq/tech-faq-chain-width-explained-compatibility-queries-answered_392163


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Posted: Fri Oct 28, 2016 9:09 am 


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