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It's so good to have resources



 
 
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Old May 31st 08, 08:44 PM posted to rec.bicycles.tech
Dan O
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Posts: 6,098
Default It's so good to have resources

On May 29, 12:17 pm, "Mike Jacoubowsky"
wrote:
Next challenge: Truing wheels (without just making them worse).


Wheels are easy, if you accept that you sometimes learn the right thing to
do by doing something wrong. Which means it's always best to practice first
on an old wheel you've got lying around.


That's what I'll do. These old wheels on my Trek are amazingly
straight and strong after twenty-two years or so. I don't want to
mess them up.

Wheels are easier than you think,
but don't try to do much about "hop" (up & down areas) which, in all
likelihood, are actually deformed (dented). Spoke tension isn't likely the
cause of the dent, nor will it be a solution.


This advice may have saved me a lot of grief. One of the issues I was
hoping to address was a little "hop" in the front wheel. In thinking
about it I had wondered how adjusting spokes was going to fix that.
It's mostly only noticeable on very fast downhills anyway, and even
then not too terribly bad.

Since your bike is rather old, you might try a couple spoke nipples and see
if they turn easily and, if not, get some penetrating oil and let it soak
into the nipples for a day or two before trying again. It's possible that
they could be totally seized (in which case you either rebuild the wheel
with new spokes or just keep riding it until it's too irregular to be
useful).


Yeah, there's rust on the rim eyelets. (Things aren't especially
shiny around there.) I imagine the nipples aren't going to like being
cranked on.

This is exactly the kind of help I was talking about. Have no doubt
that you would not lose any of my business as a result of "helping me
learn to fish". I generally couldn't/wouldn't pay a mechanic to do it
anyway. I'd either just let it go to heck, or screw it up trying -
and lose enthusiasm for cycling either way. I would, however,
heartily recommend a mechanic that I trust and respect to anyone who
could/would employ their capable services.



--Mike Jacoubowsky
Chain Reaction Bicycleswww.ChainReaction.com
Redwood City & Los Altos, CA USA"Dan O" wrote in message

...



Just wanted to offer my greatest thanks to r.b.t., Sheldon Brown, Park
Tools, et al. After hanging around here for a while, I finally got up
the nerve and found the time to tear apart and service (clean,
inspect, grease, re-assemble and adjust) the bottom bracket on my '86
Trek 400. It needed it. The bike has got to be much, much happier
now - with a shiny clean drivetrain and everything. The only funky
noises now are one squeaky shoe/cleat (at least I think that's what it
is) and a little rattling from the old frame-mounted U-lock.


Next challenge: Truing wheels (without just making them worse).


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