Chain failure question

[Tim Whalen]

Hi All,

Yesterday the Campagnolo chain on my Roadeo broke, fortunately as I was leaving a stop sign right by my house at the end of a ride so there was no problem of any sort.  It looks like the pin pulled out of one the links on one side; there was no sign of anything wrong that I noticed before I realized I was pedaling thin air. 

I don't recall this ever happening to me and so before I just reattach it a link shorter or put a quick link in where the failed link was, I wanted to see if anyone has any thoughts or experience.  My only concern with repairing it of course is if one link could fail maybe so could another.  I'd guess the chain has at most a couple of thousand miles on it and I've been pretty good about keeping it lubed.

So, fix or trash?

Thanks in advance,
Tim

[Eric Norris]

Chains are cheap. I would replace it--certainly better than dealing with injuries if the next pin breaks when you're riding at speed.

--Eric N.

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[Andy Smitty Schmidt]

I would replace the chain.--Andy

[Jim Cloud]

I've repaired a chain in the past with a replacement link and never
experienced any further problems with the chain. This occurred, by
the way, at the relative beginning of a 50 mile ride and I had no
concerns continuing the ride. As you might deduce, I do always carry
a compact chain breaker tool and some spare links.

You might wish to consider the age of your chain, and whether it has
stretched sufficiently to merit replacement. I would not personally,
however, replace a chain simply because one link failed.

My two cents,
Jim Cloud
Tucson, AZ

[Brian Hanson]

I would replace that chain, as well.  2000 miles is plenty of wear for a bike chain in my mind.  Of course I'm going on 25k miles on my motorcycle chain, but that just feels wrong.  It all comes down to how disposable you find chains.  Philosophy...

Brian

Seattle, WA

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[Tim Whalen]

Thanks everybody.  It certainly is the most prudent thing to simply get a new chain. I confess that I am puzzled about why it failed in the first place and in a perverse way that makes it harder for me to decide.  It doesn't seem that one bad link should be predictive of the others but who knows?
Best,
Tim

On Tue, Aug 28, 2012 at 9:33 PM, Hoffsta <tongue...@gmail.com> wrote:

Last time this happened to me, (brand new SRAM 971 with less than 20 miles), I removed it from my primary bike but kept it for use on a seldom used, short trip bike and replaced the bad link with a master link. It's been fine on that bike after a few hundred easy miles. If your chain only has a couple thousand on it, I'd keep it for a backup as it likely still has lots of life left, but as mentioned, you'll probably sleep better at night if it's not on your primary long distance bike.

Sean

Eugene, OR

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