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New chain and cassette, or ride it as long as u can???

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New chain and cassette, or ride it as long as u can???

Old 09-19-11, 09:41 AM
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Scorer75
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New chain and cassette, or ride it as long as u can???

I use the Park Tool chain checker to check chain wear. I checked my chain and it had not yet reached the point of replacement, but I noticed the chain started skipping, not always or often, but consistently, especially in the small/small configuration.

So, I bought a new chain and it got worse, which by all accounts means that the cassette is bad.

Now I'm wondering if I should replace both the chain and cassette now, or ride them till the skipping actually gets worse. I'm not fond of putting a new chain and cassette at this time of year, I'd prefer to wait for the beginning of next season. However, I also don't want to destroy my chain rings....

Anyone care to share their thoughts and/or opinions on what to do?
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Old 09-19-11, 09:45 AM
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Ah, I'd forgotten about the chainrings. Was going to suggest you go through the winter on the chain and cassette, but that'd kill your rings.

You sure it's not a stiff link?
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Old 09-19-11, 09:53 AM
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Which Park Tool chain checker? One of 'em uses 2 little pins and a rotating bar. The pins on those bend relatively easy and will tell you the chain is ok when it's very far gone.

Check for a stiff link first, if that's not it, then you ought to replace your cassette. Otherwise you'll wear that new chain out quick as it will wear to fit the cassette.
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Old 09-19-11, 09:54 AM
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If you're at this point, you probably need to change your cassette too. What's the mileage on those?
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Old 09-19-11, 09:58 AM
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Originally Posted by Scorer75 View Post
. I checked my chain and it had not yet reached the point of replacement, but I noticed the chain started skipping, not always or often, but consistently, especially in the small/small configuration.

So, I bought a new chain and it got worse, which by all accounts means that the cassette is bad.
Not entirely sure your cassette is bad. The fact that it happens in the small/small combination, may indicate that your chain is too long.



Is the replacement chain the same length as the original chain? If it's longer that could explain the increased skipping.

So, check whether the chain length is correct, and the b screw adjusted. If you rule out that issue, then likely you need a new cassette.

Also a stiff link is more prone to skip in the smallest cog. Check and see that the new chain isn't stiff where it was connected.

One other unlikely cause would be running a wipperman chain installed backwards, which will skip only on the 11 tooth cog.
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Old 09-19-11, 11:00 AM
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Thanks for the replies, here is some clarification.

1. This is the tool I use

2. It is not a stiff link in the new chain, or on the old one.

3. It is not a derailleur issue because I have a second set of chain/cassette and if I install those, it works fine.

4. The chain manufacturer, model, and length are the same as the chain it replaced.

5. When the new chain started skipping, I went back to the old chain immediately until I could get a new cassette. I am now running the old chain and cassette, which have always only been paired with each other. Do I run these through till the winter, which will probably be another 1,500 miles, or do I need to toss them both now in order not to destroy the chain rings?
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Old 09-19-11, 12:11 PM
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given that it skips with the old cassette and chain ring, why would you want to put up with that just to save a few bucks, while potentially shortening the life of your chain rings?
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Old 09-19-11, 02:50 PM
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Because the skip is really not bad (yet). If I know I will not destroy my chain rings, I'd rather not put on a new chain and cassette going into the weather where the roads are crap. I'd rather use up the old chain and cassette and put the new one on in the fall, again, if it will not destroy my chain rings.

Will it destroy my chain rings?
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Old 09-19-11, 04:11 PM
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Originally Posted by Scorer75 View Post
Will it destroy my chain rings?
hard to say... if you have newer 9/10 spd rings, they are a better grade than much older crappage, but they are also thinner.
If it's a nice crank, or one which has very expensive replacement rings, like the newer cranks, - I'd get the new cassette and not run the old chain/cassette at all. If you do a reasonable job of keeping the chain and cassette clean during winter riding, you shouldn't see any quicker wear than in-season.
Back east, I used to ride winter with no lube on chain and spray/clean with WD40 after every ride. Chain stayed cleaner because no lube meant no grit caught in the chain. WD displaces moisture, so any water from a wet ride was nicely displaced. WD 40 is not a lubricant - I know... - sacrilige - rides/races well over 80+ miles were no problem with a fresh spray of WD before and after... cheep too
...hardest part was toothbrushing between the teeth on the cassette... say ahhhh
I do go thru a lot of old t-shirts though...
never noticed any shorter chain/cog/ring life from my WD addiction... I still do it.
only time I use chain lube now is for a multi-day tour - just don;t wanna hassle with the chain anytime on overnight rides.

disclaimer: don't try this at home - reenactment done by brain-dead profis on a closed circuit...
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