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10spd chain on a 9spd set-up

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Old 04-03.-2008, 08:15 PM   #1
Glen75
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Default 10spd chain on a 9spd set-up

I have Dura Ace 9spd on one of my bikes, and the chain is worn. I have a spare 10spd chain, is it ok to put that on the 9spd set-up?
I know there are different 9spd/10spd chains, but i assume the 10 spd chain is just narrower, therefore it should be ok to use a 10 spd chain on a 9spd set-up but not the other way around-Am i correct?

Thanks in advance for any help with this.
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Old 04-03.-2008, 08:58 PM   #2
mikesbytes
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Default Re: 10spd chain on a 9spd set-up

The roller (internal) width is the same, so you should be able to fit it.

Do you also have a 10 speed bike? if so you might be better off to keep it for that bike and buy another 9 speed chain, which are much cheaper than a 10 speed chain.
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Old 04-03.-2008, 11:19 PM   #3
Peter@vecchios
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Default Re: 10spd chain on a 9spd set-up

Quote:
Originally Posted by Glen75
I have Dura Ace 9spd on one of my bikes, and the chain is worn. I have a spare 10spd chain, is it ok to put that on the 9spd set-up?
I know there are different 9spd/10spd chains, but i assume the 10 spd chain is just narrower, therefore it should be ok to use a 10 spd chain on a 9spd set-up but not the other way around-Am i correct?

Thanks in advance for any help with this.


Index systems rely on a certain chain width to ensure the cog 'grabs' the chain when you shift. Since shimano does not depend on overshifting a bit, like Campagnolo, the narrow, 5.9mm chain probably won't shift very well. If the chain is a 6.2mm one, when 9s are mostly 6.5mm(exception is the Sram PC-91(?), a '9s' chain that is 6.2mm), it may work OK but I doubt the 5.9mm is wide enough.
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Old 05-03.-2008, 07:58 AM   #4
garagedog
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Default Re: 10spd chain on a 9spd set-up

Try it and let us know.
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