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Where can I get a Chain to Fit This Cassette?

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Where can I get a Chain to Fit This Cassette?

Old 05-26-20, 04:06 PM
  #1  
kenshireen
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Where can I get a Chain to Fit This Cassette?

I have a 7 speed Shimano HG cassette and chain and I want to replace the chain but am having a problem finding where to get one. I have all Ultegra on my classic bike
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Old 05-26-20, 04:24 PM
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Leinster
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Any 8-speed chain should work fine. All Shimano 8-speed chains that I can see on google are branded as ď6/7/8 speed,Ē same for Kmc, SRAM, etc. I seem to recall from reading Sheldon Brown that historical, the chains stayed pretty much the same until 9-speed, when the flush chain pins were introduced.
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Old 05-26-20, 04:27 PM
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So MANY on EBay for around $9 (KMC).
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Old 05-26-20, 06:34 PM
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I believe even a 9-speed chain will work, but they're more expensive, so why do it??? 6/7/8 speed chains are cheap.
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Old 05-26-20, 07:01 PM
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kenshireen
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I want the best and lightest chain I can find.. How id the SRAM pc870
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Old 05-26-20, 07:55 PM
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Originally Posted by kenshireen View Post
I want the best and lightest chain I can find.. How id the SRAM pc870
Unless you are looking for NOS stuff Shimano HG-71 would be the best bet. If you want NOS the Dura Ace CN-7401 would work. You ideally want to find a Hyperglide compatible chain rather than uniglide but I think they will both work.
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Old 05-26-20, 10:59 PM
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For what it's worth, on my 8 speed bike - which uses the same chain as a 7 speed - I use either 9 or 10 speed chains. I originally had a 9 speed chain on there because I our other bikes were 9 speed so I was keeping a spare 9 speed chain and quick links in "stock". Now it has a 10 speed chain because the 9 speed bikes are not at home right now (permanently assigned to the RV!) and I only have 10 speed bikes in the garage. I like to just use the same stuff for this so I can just keep one spare chain on hand and one type of quick links.

But to the point, the bike shifted perfectly with both 9 and 10 speed chains.

I was always told that chains are backward compatible. I don't know about 11 or 12 speed, but it certainly applies to 9 and 10.

But also to the point, the 6/7/8 speed chain will be less expensive and probably more durable (although durability is never an issue for me.) So why not just buy an 8 speed chain that fits your budget, fancy and shiny or basic.
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Old 05-27-20, 03:11 AM
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dabac
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Originally Posted by Camilo View Post
.

I was always told that chains are backward compatible. I don't know about 11 or 12 speed, but it certainly applies to 9 and 10.
The inner width of the chains have changed less than the outer width, so running a higher speeds chain on a lower speeds drivetrain is generally OK. Eventually front shifts may become affected as the fit between chain and derailer becomes more slack. Iíve even heard about a guy managing to get the chain jammed between chainrings.
Havenít tried any true multi-generation mix , like 5-speed and 10/11-speed parts though.
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Old 05-27-20, 01:02 PM
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Originally Posted by kenshireen View Post
I want the best and lightest chain I can find.. How id the SRAM pc870
PC870 works fine. Nice finish, shifts just fine. Finding an NOS 8-sp Dura-Ace would be 'best' but honestly, for the price, I can't tell the difference.


Backward-compatibility for 9+sp chains can be a mixed bag, depending on what you're trying to use them on. 7-sp triple FD's are sometimes to wide to shift a 9-sp chain right, particularly if you're using an STI indexed shifter.
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