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 Post subject: BB problem fit
PostPosted: Sat Aug 11, 2018 7:19 pm 
Old School Grand Master
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Joined: Mon Sep 28, 2009 8:16 pm
Posts: 3714
Location: north wales
Hi

I have an issue with BB Fitting

Dissmantling a Lemond Maillot jaune
Reynolds 853
Removing Dura ace 7700 octalink BB

Trying to fit the BB On a Concorde Prelude
Columbus SL Frame
The cups simply falls into the shell
Seems to be smaller size cups

Any ideas why this is
Campagnolo BB fits the Concorde with no issues

Both British threads


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 Post subject: Re: BB problem fit
PostPosted: Sat Aug 11, 2018 7:53 pm 
Old School Grand Master

Joined: Mon Feb 11, 2008 9:42 am
Posts: 3149
Sounds like the concorde has Italian threads.
Get a vernier on it to check.


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 Post subject: Re:
PostPosted: Sat Aug 11, 2018 8:22 pm 
Old School Grand Master
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Joined: Mon Sep 28, 2009 8:16 pm
Posts: 3714
Location: north wales
Yes you are right
Italian threads
36x24


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 Post subject: Re: BB problem fit
PostPosted: Sun Aug 12, 2018 2:18 am 
r.B.o.T.M. & P.o.T.M. Winner
r.B.o.T.M. & P.o.T.M. Winner
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Joined: Thu Nov 22, 2007 10:51 am
Posts: 2694
Location: Camel Land
Then buy some :)


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 Post subject: Re:
PostPosted: Sun Aug 12, 2018 7:40 am 
Old School Grand Master
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Joined: Mon Sep 28, 2009 8:16 pm
Posts: 3714
Location: north wales
What you got then


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 Post subject: Re: BB problem fit
PostPosted: Sun Aug 12, 2018 9:27 am 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
Posts: 9423
Location: Cumbria
Just had a quick look at octalink bottom brackets out of curiosity given that you can pick up a UN 55 for not a lot of money.....not cheap are they!


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 Post subject: Re:
PostPosted: Sun Aug 12, 2018 10:17 am 
Old School Grand Master
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Joined: Mon Sep 28, 2009 8:16 pm
Posts: 3714
Location: north wales
No not Cheap
I've managed to get a new DA BB for £47
Bit strange that you cannot get the cups separately


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 Post subject: Re: BB problem fit
PostPosted: Sun Aug 12, 2018 11:07 am 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
Posts: 9423
Location: Cumbria
Italian cups using the English octalink BB would mean the axle is too short as the Italian BB shell is longer?


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 Post subject: Re:
PostPosted: Mon Aug 13, 2018 12:09 am 
Devout Dirtbag

Joined: Mon Jul 26, 2010 7:16 pm
Posts: 111
Location: Chelmsford
Be quck, last one! (it says!) £4.99!
https://www.ebay.co.uk/itm/Shimano-Ulte ... 1438.l2649


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 Post subject: Re:
PostPosted: Mon Aug 13, 2018 12:25 pm 
Old School Grand Master
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Joined: Mon Sep 28, 2009 8:16 pm
Posts: 3714
Location: north wales
Thanks Sparrow
Much appreciated


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