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-   -   Bottom Bracket Fixed Cup Maint/Removal (https://www.bikeforums.net/classic-vintage/1255470-bottom-bracket-fixed-cup-maint-removal.html)

wrk101 07-29-22 06:40 AM

My theory on older bikes, if it is hard to remove now, its going to be harder later. So I use the Sheldon Brown bolt method and remove them. Then I inspect, if everything is OK, clean, fresh grease, bearing balls and reinstall.

I will clean and reuse Campy caged bearings, all others get replaced.

merziac 07-29-22 11:13 AM


Originally Posted by wrk101 (Post 22591475)
My theory on older bikes, if it is hard to remove now, its going to be harder later. So I use the Sheldon Brown bolt method and remove them. Then I inspect, if everything is OK, clean, fresh grease, bearing balls and reinstall.

I will clean and reuse Campy caged bearings, all others get replaced.

+ 1 million :thumb:

Don't and can't understand why or how it can be ok to not do the right thing on this.

We consider ourselves keepers of the flame, a stuck fixed cup threatens a frame if it ends up in the wrong hands.

Aside from just doing it right, I believe we have a responsibility to do it right and I'm happy willing and able to do so for the greater good.

Not just because I can, because we should.

kroozer 07-29-22 01:26 PM

I voted "if it comes out on the first try". Removing fixed cups can be a real PITA, and while of course it's preferable, I don't see it as an absolute necessity, especially since I don't have the tools. I have always been able to do inspection and overhaul in situ when they're being stubborn.

Trakhak 02-22-24 07:11 PM

If it ain't broke, leave it fixed.

Arrowana 02-22-24 07:33 PM

If it is French or Italian and it doesn't come out with ease, the fixed cup can stay. Any other situation, the cup is going to get removed.

JohnDThompson 02-23-24 09:35 AM


Originally Posted by Pompiere (Post 22582509)
Before I got the proper tools, I would leave the fixed cup in place and clean it the best I could from the opposite side. Now, I don't think twice about removing the fixed cup to do a proper overhaul.


Originally Posted by merziac (Post 22582521)
:thumb:

This is the only correct answer. ;)

I have the proper tools, but I still usually clean the cup in place, unless I have reason to think it is worn or damaged.
https://cimg4.ibsrv.net/gimg/bikefor...5a67fb0701.jpg

jdawginsc 02-23-24 10:17 AM


Originally Posted by JohnDThompson (Post 23165081)
I have the proper tools, but I still usually clean the cup in place, unless I have reason to think it is worn or damaged.
https://cimg4.ibsrv.net/gimg/bikefor...5a67fb0701.jpg

I have a Hozan, a home made Sheldon but that Campy looks stout!

I also have a long 36mm combo wrench that uses the Merziac method...


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