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New Bike Chain

Old 11-09-10, 07:33 AM
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notoriouslyKEN
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New Bike Chain

I was riding yesterday, when the chain on my bike broke. The bike is a 2010 Jamis Allegro 1x and the chain I have on there is a KMC Z-72. Can someone recommend a better chain that is compatible with my bike? I think I can install it myself, as I have taken the chain off to clean it before.
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Old 11-09-10, 07:51 AM
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Originally Posted by notoriouslyKEN View Post
I was riding yesterday, when the chain on my bike broke. The bike is a 2010 Jamis Allegro 1x and the chain I have on there is a KMC Z-72. Can someone recommend a better chain that is compatible with my bike? I think I can install it myself, as I have taken the chain off to clean it before.
KMC Z -72 is not really a bad chain, and decent price. I would just replace it. Richard
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Old 11-09-10, 08:19 AM
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OK, thanks. I was just thinking since it broke, I would replace it with something better. I've only had the bike for 10 months so I figured it might be sub-par quality-wise.
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Old 11-09-10, 08:53 AM
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You do have a chain tool to shorten the new chain to correct length?
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Old 11-09-10, 08:57 AM
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I'd look at the KMC Z 51 HG. Its usually cheaper and just as good.
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Old 11-09-10, 09:55 AM
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Originally Posted by notoriouslyKEN View Post
I figured it might be sub-par quality-wise.
Clearly yours was and it might be covered under your warranty so check. But those chains may not be sub-par in general, most likely you received the gift of a manufacturing defect. If you want another chain, any 8/9 speed chain will work and most all will wear to the point they should be replaced well before they break.

Ken
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Old 11-09-10, 12:41 PM
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Originally Posted by Juha View Post
You do have a chain tool to shorten the new chain to correct length?
Yea. I had one that came in a multi-tool set but it kind of sucked so I bought a new one. I figured I would have to remove a few extra links.
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Old 11-09-10, 06:26 PM
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If you took the chain off for cleaning obviously you have a chain tool. The last time I broke a chain, I found out the chain tool on my mini tool was the best chain tool I own, but since then I lost some part of it and can't use it anymore. I was lucky I didn't lose the whole tool, I'd left it on top of the bin it was supposed to be put inside of.

The fact that your chain broke does not mean it was defective. Usually it's from the chain jamming due to a missed shift. If it was defective it wouldn't have lasted 10 months, which is a lot longer than I keep a chain. Your mileage may vary.

The other possibility is the pin was not put in exactly right the last time you reinstalled after cleaning. It's tricky. Especially with Shimano chains which require a special pin. I know yours was a KMC, but I highly recommend you do not remover your chain for cleaning regardless of brand. The risk of weakening it is too great.

I like Sram chains because they are fool proof (and others here can tell you I am a fool). They use a master link (tool free assembly, except you still need a tool to shorten the chain to fit your drivetrain). The fact is the Sram connector makes a very strong link. Connections that require a chain tool often create a weak link.

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Old 11-10-10, 06:03 AM
  #9  
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Originally Posted by qmsdc15 View Post
If you took the chain off for cleaning obviously you have a chain tool.
Incorrect. You said it later in your post, chain tool is not required to remove / install a chain that has a master link. But you do need the tool to make the chain the correct length to begin with.

--J
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Old 11-10-10, 07:05 AM
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Originally Posted by qmsdc15 View Post
I like Sram chains because they are fool proof (and others here can tell you I am a fool). They use a master link (tool free assembly, except you still need a tool to shorten the chain to fit your drivetrain). The fact is the Sram connector makes a very strong link. Connections that require a chain tool often create a weak link.
Now here's a good trick: buy a Sram master link (sold separately and very cheaply where I live) and install it on the chain you use, whatever it is. Silver link works for 8-speed chains and below, gold link is for 9-speed chains. Simple, fool-proof and versatile.
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