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PostPosted: Tue Sep 22, 2020 1:55 pm 
Dirt Disciple

Joined: Sun Jun 28, 2020 9:21 am
Posts: 21
Hi peeps,
I've just bought a chorus graphite chainset from a forum member.
Need some guidance on which bottom bracket to source to go with it.
It's for a colnago super late 80s.
Thanks in advance.
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PostPosted: Tue Sep 22, 2020 9:16 pm 
Old School Hero

Joined: Fri Jun 14, 2013 6:03 pm
Posts: 246
Hi, Chorus of that generation uses 111mm spindle if your frame has a 68mm bottom bracket shell , you obviously need to find out if your frame is English or Italian thread etc .


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 Post subject: Re:
PostPosted: Tue Sep 22, 2020 10:37 pm 
Dirt Disciple

Joined: Sun Jun 28, 2020 9:21 am
Posts: 21
would it not definitely be italian threading if it's a colnago?


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PostPosted: Wed Sep 23, 2020 8:04 am 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 10258
Location: New Forest, UK
Yes, it will be Italian. The Centaur 111mm BB is rather good, you can dismantle it and fit new bearing cartridges.


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 Post subject: Re:
PostPosted: Wed Sep 23, 2020 2:34 pm 
Dirt Disciple

Joined: Sun Jun 28, 2020 9:21 am
Posts: 21
Does it matter if it looks like a cartridge type BB or one with individual pieces?


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 Post subject: Re:
PostPosted: Thu Sep 24, 2020 7:52 pm 
Old School Hero

Joined: Fri Jun 14, 2013 6:03 pm
Posts: 246
A cartridge would be cheaper and easier to fit if you`re not that experienced , I have used these in the past with campagnolo Chorus and they are a lot smoother than the original chorus BB

https://www.tritoncycles.co.uk/componen ... gLEBfD_BwE

I make no recommendation about the retailer , its just for example of a suitable BB ( be careful to order correct size as per earlier post.


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