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What Chain?

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Old 05-29-06, 09:06 PM
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What Chain?

Dear fellow singlepseeders,

I have recently converted my trek 6700 Disc into a Singlespeed. I was planning on buying the Gusset single speed conversion kit (right now I still have the exrea sprockets on the freehub).I am using my rear derauiller as a tensioner. I was wondering If I can use a BMX rear cog with my nine speed chain. Thank you.
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Old 05-29-06, 09:12 PM
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If it's an 1/8" cog, then you'll need an 1/8" chain to match. You can always use a wider chain with narrower components, but not the other way around. A SRAM PC-1 is a good, cheap, reliable chain that you can pick up at your LBS for about $10. KMC also makes an 1/8" chain in that range, I think.
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Old 05-29-06, 09:22 PM
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If you're using your derailleur as a tensioner, will an 1/8" chain fit?
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Old 05-29-06, 09:55 PM
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If he's using a 1/8" chain it's not going to be long enough in the first place to be able to be used by the derailleur.
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Old 05-29-06, 10:07 PM
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Originally Posted by ka12na
If he's using a 1/8" chain it's not going to be long enough in the first place to be able to be used by the derailleur.
I'm inclined to disagree. Outside of some short BMX-specific chains, he should be fine length-wise.
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Old 05-30-06, 05:53 AM
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don't mean to thread-jack, but another chain question, which the op might find useful. i just strung up a magic gear (yes, i know the drawbacks, but i had everything laying around) and the chain tension is perfect. can anyone recommend a chain that won't stretch, for awhile at least? thanks.
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Old 05-30-06, 06:13 AM
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Originally Posted by el twe
If you're using your derailleur as a tensioner, will an 1/8" chain fit?
More than likely not. However, most BMX-style cassette cogs (like the Surly cogs, for instance) are 3/32" wide, so 8-speed chain will work. 9 speed would be a stretch, but you could try it out before you go out and buy 3/32" chain. 8-speed chain will work in your derailleur, probably.
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Old 05-30-06, 09:51 AM
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KMC Kool Chain shouldn't stretch.
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