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Old 03-22-08, 11:40 AM   #1
cmcanulty
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Downtube Bottom Bracket

I am touring in a few weeks on my 2007 Downtube NS. Can someone post the steps to disassemble and grease the bottom bracket and reassemble and what tools are needed? Thanks
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Old 03-22-08, 03:09 PM   #2
RonL
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My 2005 is a cup and cone design. You can go to sheldonbrown.com for detailed directions.

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Old 03-22-08, 05:12 PM   #3
JosephLMonti
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Originally Posted by cmcanulty View Post
I am touring in a few weeks on my 2007 Downtube NS. Can someone post the steps to disassemble and grease the bottom bracket and reassemble and what tools are needed? Thanks
A while back there was a lot of discussion about the Downtube bottom brackets. The main point to come out of those posts, is that you're better off replacing the stock bottom bracket with a cartridge one. In the end it ends up being a better deal (time, money, etc)
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Old 03-26-08, 09:36 AM   #4
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The other thing is that it appears some of the bottom brackets were overtightened. I do all my mechanics, but when I came to this one, I tried to do it myself, put as much muscle into as I dared, and then took it to Harris Cyclery where they replaced the bb.

I don't like to pay for bike mechanicking as I feel I can do it myself (usually), but in this case I thought it was a worthwhile investment -had I burred the cup, it would have left me with little recourse.

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A while back there was a lot of discussion about the Downtube bottom brackets. The main point to come out of those posts, is that you're better off replacing the stock bottom bracket with a cartridge one. In the end it ends up being a better deal (time, money, etc)
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