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"New" BB cups or whole BB for my Atala & De Rosa...

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"New" BB cups or whole BB for my Atala & De Rosa...

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Old 06-23-11, 09:14 AM
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elvezia
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"New" BB cups or whole BB for my Atala & De Rosa...

Hi folks,

This may need to be moved to "Bicycle Mechanics" but since it's old gear for a couple of classic frames (80's Atala & De Rosa Professional) I though I'd ask here first.

So I've picked up Campag gruppos for each of these frames - pre-Ergo Chorus for the Atala, and Nuovo Record for the De Rosa. However, both came with English threaded/sized BB's (I knew beforehand, but each was a complete gruppo so couldn't pass them up). Obviously, I need Italian-threaded for these frames.

Would I be able to just get Italian-threaded cups to use with the spindles I've got, or do I need to get the entire BB?

Cheers,
Michael
Charlottesville, VA
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Old 06-23-11, 09:32 AM
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Italian BB shells are typically 70 mm whereas English are 68 mm, so I'm guessing you will need different spindles as well. I'd suggest you post your BB's in the "ISO / For Trade" thread, see if anyone wants to trade an Italian for an English BB. Good luck!
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Old 06-23-11, 09:37 AM
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Unless they are messed up I dont see why you need to change the cups. Just get an appropriate sized spindle for your BB & crankset and Bob's your uncle.

**edit**

I just assumed you had cups in the frames already...i suppose this may or may not be the case.
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Old 06-23-11, 09:44 AM
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For the NR BB, you will also need to know whether the crankset it is pre- or post-CPSC (1978?) in order to get the appropriate spindle. What is the NR spindle marked? If 68-SS-120 (and no other markings), then it is pre, if just 68-SS, it should be post. This assumes thick cups (rifled openings).

There is always Phil Wood (complete BB).
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Old 06-23-11, 10:01 AM
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Originally Posted by Pars View Post
There is always Phil Wood (complete BB).
Or VO or Shimano. They're inexpensive and the I've not had an issue mixing tapers.
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Old 06-23-11, 12:49 PM
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Your spindles will have the wrong "center" section measurement, and so the adj cup would thread in too far. You'll need a 115.5mm complete BB for the NR, and probably a 110 (or is it 111?) for the early Chorus. Both are Campy taper pre ISO.

Aside: why the screen name of an unloved model tubular ?
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Old 06-23-11, 12:57 PM
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yes what they all said! I just went through the CPSC thing with a SR/NR crank and thankfully the member I got it from stepped and told just what to buy.

for you NR I think Phil is your best bet. you can move the BB to a different frame with just new cups.

for the Chorus just get an symetrical Campi sealed unit the correct lenght (112 I think) and be done with it.

what year is the DeRosa? your sure it is a Italian thread?
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Old 06-23-11, 04:11 PM
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I've got an Italian Sugino BB set if you're interested. Spindle is 115 JIS though.
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Old 06-24-11, 09:37 AM
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Many thanks to all of you for your advice. I'm a long-time rider but just getting into the nitty-gritty of bike mechanics and finding out details of the old components (which was the new gear I drooled over when I began riding...). Overhauling hubs, fiddling with derailleurs & brakes I can do, but headsets and BB/BCD measurements are new territory. Sheldon Brown's website has helped...
The one good result of the move to carbon fiber is that all the steel frames I loved to look at back in the day have come available at affordable prices...lots of fun (when I can squeeze some time out for it).

As far as my screen name, well, I found it to be a pleasing combination of my admiration for Italian craftmanship of the past and my love of Switzerland (specifically, mountaineering in the Alps). And, yes, it does come from a pair of the old Clement sewups that landed in my lap. What problems were noted with these way back when?

Good riding to all! Hope to get out and do some climbing up to the Blue Ridge here in Virginia later today...
Michael
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Old 06-24-11, 11:41 AM
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Many Italian manufacturers in the 70's and 80's made components that were interchangeable with Campagnolo. Ofmega, Miche, Gipiemme, and others made Italian-threaded BB's that are compatible with Campagnolo Record, good quality, and are usually a lot cheaper.
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