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WTB: French thread fixed BB cup, Campy

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WTB: French thread fixed BB cup, Campy

Old 05-29-20, 11:13 PM
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vintagerando
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WTB: French thread fixed BB cup, Campy

Looking for the fixed cup to match the cup in the photo here. Apparently, there were "thick" and "thin" versions. I don't know which I have; I need a match to the cup I have. (Maybe someone can identify which I have)
thanks.

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Old 05-30-20, 02:31 AM
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I believe you have the "thin" version. The "thick" version has rifled opening, to facilitate keeping the dirt from reaching the grease in the bb.

You can see one here..................

https://rustybicycleshop.com/745-camp...-cup-35-x-1-g/

Last edited by 100bikes; 05-30-20 at 02:37 AM.
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Old 05-30-20, 07:15 AM
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Originally Posted by 100bikes View Post
I believe you have the "thin" version. The "thick" version has rifled opening, to facilitate keeping the dirt from reaching the grease in the bb.

You can see one here..................

703 Campagnolo Allen bolt
Yes. Only Nuovo Record road cups came in the "thick" variety. Record road, Record and Super Record pista, and Gran Sport cups were all "thin:"

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Old 05-30-20, 07:19 AM
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.
...maybe you already know this, but you can also use another matching adjustable cup and lock ring on the fixed side with both sides threaded RH.
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Old 05-31-20, 09:14 PM
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Originally Posted by 3alarmer View Post
.
...maybe you already know this, but you can also use another matching adjustable cup and lock ring on the fixed side with both sides threaded RH.
ok....but will it have to "match" the spindle? Are the ends spindle a specific shape for Campy?
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Old 05-31-20, 11:20 PM
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Originally Posted by vintagerando View Post
ok....but will it have to "match" the spindle? Are the ends spindle a specific shape for Campy?
no specific 'campy' shape of the ends spindle—you pro'ly meant the bearing interface of the either side of the spindle—although, the old spindles do have R & L by slight difference in length between the bearing interface and the square tapered part, depending on whether it was for double or triple crankset. in general, longer side is R, being the crank side with the chainring clearance.

IMO tho, sourcing another adjustable cup in french threads will be as hard as sourcing the fixed cup... good luck!

IIRC, the Sugino BBs from the same era were Campy copies. (someone pls correct me if i'm wrong). that case, there are some on the fleabay at lower tags. like this one:
https://www.ebay.com/itm/Sugino-Bott...sAAOSwR6lesbiw

Last edited by orangeology; 05-31-20 at 11:24 PM.
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Old 06-01-20, 04:11 AM
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Originally Posted by orangeology View Post
IIRC, the Sugino BBs from the same era were Campy copies. (someone pls correct me if i'm wrong). that case, there are some on the fleabay at lower tags. like this one:
https://www.ebay.com/itm/Sugino-Bott...sAAOSwR6lesbiw
I have some of those Sugino cups. They're good, but they are neither as good, nor copies of, Campagnolo.
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Old 06-01-20, 06:55 AM
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Sugino BB Cups

Originally Posted by oneclick View Post
I have some of those Sugino cups. They're good, but they are neither as good, nor copies of, Campagnolo.
Not sure what you mean by "...nor copies of, Campagnolo."?

BITD Sugino BBs were a poor mans replacement for Campy parts. Maybe we didn't know any better back then but... A Campy BB could cost a day or two's wages.

As far as interchanging spindle brands there's a lot of variation in the ball track dimensions.

A way to check is to remove all the grease from the parts and use a product called Dyekem Layout Fluid or you could use a Magic Marker to coat the bearing contact surfaces Hand assemble with some caged bearings and rotate the spindle to check the points of contact.



Ball bearing contact angle



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Last edited by verktyg; 06-01-20 at 06:59 AM.
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