Bottom Bracket Bearing

Aside from the nice alliteration of "Bottom Bracket Bearing", there's
nothing nice about it. At least mine anyway. Bike is a Trek 4300, not
6 months old and already the drive side bearing makes so much noise it
probably registers on the Richter scale. My question to the experts
is: Can this bearing be removed from the large sleeve that it is in?
If so, how? The bearing on the non-drive side is numbered 163110-2RS
and comes right out. It appears to be in good shape. I'm guessing the
drive side must be the same part number - if you can get to it. Thanks
in advance for the help!

PS - I have the piece in my hand and can read off any other part #'s
if need be.

On Thu, 08 Sep 2005 23:32:41 GMT, beavis wrote:

Aside from the nice alliteration of "Bottom Bracket Bearing", there's
nothing nice about it. At least mine anyway. Bike is a Trek 4300, not
6 months old

At that age, I believe it should still be under warranty. If so,
assuming that you're the first owner, there's no reason to be fiddling
with it at all; take it to the dealer and let them fix it.

and already the drive side bearing makes so much noise it
probably registers on the Richter scale. My question to the experts
is: Can this bearing be removed from the large sleeve that it is in?

Not non-destructively as far as I have been able to determine.

If so, how? The bearing on the non-drive side is numbered 163110-2RS
and comes right out. It appears to be in good shape. I'm guessing the
drive side must be the same part number - if you can get to it. Thanks
in advance for the help!

PS - I have the piece in my hand and can read off any other part #'s
if need be.

Assuming that a warranty repair isn't an option for some reason,
rather than trying to save a few bucks with a kludge, why not just
spend the $25 to get a new BB assembly and put it in? I'm pretty sure
that the 4300 wears a conventional square-taper BB whcih can be had
for a reasonable price from a multitude of sources.
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beavis wrote:
Aside from the nice alliteration of "Bottom Bracket Bearing", there's
nothing nice about it. At least mine anyway. Bike is a Trek 4300, not
6 months old and already the drive side bearing makes so much noise it
probably registers on the Richter scale. My question to the experts
is: Can this bearing be removed from the large sleeve that it is in?
If so, how? The bearing on the non-drive side is numbered 163110-2RS
and comes right out. It appears to be in good shape. I'm guessing the
drive side must be the same part number - if you can get to it. Thanks
in advance for the help!

PS - I have the piece in my hand and can read off any other part #'s
if need be.

6 months? Go to the dealer-warranty is in order.

On 9 Sep 2005 06:10:28 -0700, "Qui si parla Campagnolo"
wrote:


beavis wrote:
Aside from the nice alliteration of "Bottom Bracket Bearing", there's
nothing nice about it. At least mine anyway. Bike is a Trek 4300, not
6 months old and already the drive side bearing makes so much noise it
probably registers on the Richter scale. My question to the experts
is: Can this bearing be removed from the large sleeve that it is in?
If so, how? The bearing on the non-drive side is numbered 163110-2RS
and comes right out. It appears to be in good shape. I'm guessing the
drive side must be the same part number - if you can get to it. Thanks
in advance for the help!

PS - I have the piece in my hand and can read off any other part #'s
if need be.

6 months? Go to the dealer-warranty is in order.

REI Online has a basic one for $17, delivered to my door. The bike
shop is 25 miles from my house (@ $3/gallon that's too far). I have
issues with the shop, anyway. I've shredded 2 wheels that they've
supposedly trued. I finally broke down and bought a dial indicator off
eBay and measured myself - only to find out that their definition of
true and my definition varied by about 30 mils. Spoke tension was an
issue, too - you can't true a wheel by loosening a spoke so much that
it's basically not even there in a mechanical sense. So, long story,
but that's why I don't like the shop. I just wish they'd pay me every
time I fix one of their mistakes...

Thanks for the help, guys! Enjoy the fall riding weather!