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GYXU > Cycling > Klein press-fit bottom brackets, 10 April 2005 22:30:41

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Klein press-fit bottom brackets,

RonSonic 10 April 2005 18:09:03
 

Old Kleins (and a few other mountain bikes) have strange bottom brackets. I have
no experience with these and wanted any opinions from the pro wrenches here.

Are replacements going to be available when one wears out?

Are guys with the tools and savvy to handle them around?

In the meanwhile:

User friendly for bearings and repacks?

1/4" bearings like everything else?

What should a prospective owner know about their care and feeding?

Thanks
Ron
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Mike Jacoubowsky 10 April 2005 21:36:03 permanent link ]
 
Old Kleins (and a few other mountain bikes) have strange bottom brackets. > I have> no experience with these and wanted any opinions from the pro wrenches > here.>
Are replacements going to be available when one wears out?

No problems there. The bearings are relatively standard, and Phil
manufactures axles for them.
Are guys with the tools and savvy to handle them around?

A few... that will be the tougher part, finding somebody with the right
tools & expertise. Such shops are still around, but harder to find.
In the meanwhile:>
User friendly for bearings and repacks?

Finding the bearings is no problem, replacing them is the tough part. But
you can still probably pry off the outside seals to get to them for greasing
if need be. Fortunately they're pretty durable.
1/4" bearings like everything else?

Cartridge bearings only.
What should a prospective owner know about their care and feeding?

Not much, just ride and enjoy! There really isn't any maintenance at all,
until you notice that the cranks don't turn smoothly anymore (check with the
chain off).

--Mike-- Chain Reaction Bicycles
www.ChainReactionBi­cycles.com


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Alfred Ryder 10 April 2005 22:22:54 permanent link ]
 With regard to a BB, the question was:
What should a prospective owner know about their care and feeding?

Mike Jacoubowsky wrote
Not much, just ride and enjoy! There really isn't any maintenance at all,> until you notice that the cranks don't turn smoothly anymore (check with
chain off).

I keep thinking I should repack my BB and hubs. They have about 13,500 miles
on them, almost all on dry roads. Every time I start to pull them apart,
they are so smooth that I desist. Is Mike's advice correct? (Who am I to
question Mike? On the other hand, his rain bike, I think, is currently dead
due to crunchy BB bearings.)


Add comment
RonSonic 10 April 2005 22:30:41 permanent link ]
 On Sun, 10 Apr 2005 17:36:03 GMT, "Mike Jacoubowsky" <mikej1@ix.netcom.c­om>
wrote:
Old Kleins (and a few other mountain bikes) have strange bottom brackets. >> I have>> no experience with these and wanted any opinions from the pro wrenches >> here.>>
Are replacements going to be available when one wears out?>
No problems there. The bearings are relatively standard, and Phil >manufactures axles for them.>
Are guys with the tools and savvy to handle them around?>
A few... that will be the tougher part, finding somebody with the right >tools & expertise. Such shops are still around, but harder to find.>
In the meanwhile:>>
User friendly for bearings and repacks?>
Finding the bearings is no problem, replacing them is the tough part. But >you can still probably pry off the outside seals to get to them for greasing >if need be. Fortunately they're pretty durable.>
1/4" bearings like everything else?>
Cartridge bearings only.>
What should a prospective owner know about their care and feeding?>
Not much, just ride and enjoy! There really isn't any maintenance at all, >until you notice that the cranks don't turn smoothly anymore (check with the >chain off).>
--Mike-- Chain Reaction Bicycles>www.ChainR­eactionBicycles.com


Sounds good and very reassuring since I just scored an old Klein on ebay before
considering the consequences of its unique BB.

Apparently, from your post and other sources, the things run very well and long.
Gee, this is cool, a bike part I don't have to feel obliged to know and work on.

Thanks
Ron

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GYXU > Cycling > Klein press-fit bottom brackets, 10 April 2005 22:30:41

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