"socks" <[email hidden]> wrote in message
"]news:[email hidden]...
Quoted message said:i'm not a bike expert, or maintenance expert, so i wanted
to bounce something off the group.
i've got a 2003 klein attitude with not so many miles
(maybe 200
off-road),
Quoted message said:a slipping seatpost (common kein problem?) and some
annoying creaks. i've looked for cracks and don't see any.
(i really doubt that i'd have them anyway, because i
haven't had any hard crashes, i only weigh 150 lbs.)
the creaks seem to come when i'm seated, and not when i
stand for
downhills
Quoted message said:or climbs.
so my idea is that the seatpost slips, and the sound echos
down the
top-tube
Quoted message said:making a loud creak.
does that sound at all possible?
and btw, what is the best fix for a slipping klein
seatpost?
Slipping seatpost, common Klein problem? I don't think
so. Maybe so, but news to me. Never had issues with my
Thomson in my 98 Klein Mantra, nor heard of several
other Klein owners I know having a problem.
The creaking is another story, and yes, a common
problem, not just for Kleins, but maybe especially so
with Mantras. Yes, everything echoes through the tubes,
especially the big "boom" tube on the Mantras. I have
found ALL of the following to be guilty parties at one
time or another: (first two are the likely culprits for
you, since you say noise stops if you're off the seat.)
1. Seat tube: rocking ever so slightly (but not slipping
down at all.) The fix: take it out and clean well, inside
tube included, then regrease all surfaces (tube, post,
collar, bolt parts) and reinstall.
2. Seat rails: titanium rails were HORRIBLY noisy for me.
The fix: I went back to cromoly and stopped most of the
problem. Cleaning and lubing helps when they're noisy.
3. Crank/Bottom bracket. The fix: Remove, clean, regrease,
reinstall. (I use antiseize compound on BB threads.)
4. Headset/stem. Same fix... remove, clean, regrease,
reinstall.
5. Pivot "bushings." Seems to me they are more like teflon
liners on the Mantra setup, but they are noisy at times,
and the only fix I know of is to wait them out. The grit
or whatever gets in and creaks has to find another place
to go. No hurrying it along as far as I know, but it does
eventually go away.
6. More rarely for me, Pedals. Fix... errm,,, ??? New Times?
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