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Old 05-27-08, 10:45 AM   #1
mercier23
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Ultegra Drivetrain Slipping

I recently replaced the chain on my Ultegra 10 speed drive train. I have adjusted the gears, but I still have two gears where teh chain will slip. It isn't skipping from gear to gear, just slipping. Any ideas on how to correct problem?
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Old 05-27-08, 10:53 AM   #2
caloso
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How old is the cassette? Often if you put a new chain on a worn cassette, the slippage will be worse than with the old chain. And you'll be ruining a new chain too.

Take a look at the teeth on the cogs, particularly the small ones (which have fewer teeth to share the wear). If they look like shark fins, you'll probably want to replace the cassette.
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Old 05-27-08, 10:55 AM   #3
neil0502
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caloso's on it.

Take a look at this page:

http://www.sheldonbrown.com/chains.html#wear

If it won't help you this time, it might help the next....
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Old 05-27-08, 12:21 PM   #4
mercier23
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Thanks

I was hoping there was another solution, since I don't want the expense of buying a new cassette, but it looks like i will just have to suck it up.
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Old 05-27-08, 12:33 PM   #5
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Originally Posted by mercier23 View Post
I was hoping there was another solution, since I don't want the expense of buying a new cassette, but it looks like i will just have to suck it up.
You should be able to get 3 - 4 chains out of each cassette. Sounds like you let the chain go too long and now you are paying the price.
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Old 05-27-08, 01:35 PM   #6
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I think you're right. Live and learn.
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