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 Post subject: I`m thick or stupid
PostPosted: Mon Nov 12, 2007 1:04 am 
Retro Guru
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Joined: Sun Jul 01, 2007 12:22 am
Posts: 1094
Location: walsall near cannoooook
1-- I admit to never owning a bike with disc brakes
2-- passive suspension???
3-- oldest bike was 1999 and got sold
4-- But i was a bike mechanic for seven years

so heres my question, i`ve seen isis bottom brackets and know that all i need is a good old square taper 73mm shell so i bought this (FSA ULTIMAX CHROMOLY Bottom Bracket,102-70-ISO)because i`m using a single ring i thought it would just do the job,but and this is the problem the square taper is tiny and so are the holes so what is it???


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 Post subject:
PostPosted: Mon Nov 12, 2007 2:00 am 
B.o.T.M. Winner / Feature Bike
B.o.T.M. Winner / Feature Bike
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Joined: Tue Dec 13, 2005 3:26 pm
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Location: Tilting at windmills and shouting at the rain.
what cranks you using?


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 Post subject:
PostPosted: Mon Nov 12, 2007 8:46 am 
East Midlands AEC
East Midlands AEC
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Location: Derby, UK
there's not much taper visible there - very short axle??


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 Post subject:
PostPosted: Mon Nov 12, 2007 8:57 am 
retrobike rider / Gold Trader
retrobike rider / Gold Trader

Joined: Sat Jul 21, 2007 9:48 am
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Location: Bristle
from the description, could it be a 102mm axle? the shortest sheldon brown lists is 103mm for a 1996 dura-ace double.


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 Post subject:
PostPosted: Mon Nov 12, 2007 10:40 am 
Mr Darcy
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Joined: Wed Oct 26, 2005 8:36 pm
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Location: Bicester
When you fit it the BB in the frame the bearings should sit further into the cups so more axle will be visible.

What holes are you referring to, I am not sure on this point :?


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 Post subject:
PostPosted: Mon Nov 12, 2007 11:34 am 
Retro Guru
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Location: walsall near cannoooook
the square taper is smaller overall length and width
put it this way ir would spin inside a crank
on ebay now so will get money back i hope


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 Post subject:
PostPosted: Mon Nov 12, 2007 9:53 pm 
Retro Guru
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Location: walsall near cannoooook
OK think i`ve found answer,it`s italian thread and campag taper.thinner than standard :lol: :lol: :lol:


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 Post subject:
PostPosted: Mon Nov 12, 2007 11:50 pm 
Gold Trader
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Joined: Wed Jun 20, 2007 11:19 pm
Posts: 7006
Location: Odense, Denmark
Yep it's the kind of thing people used on all the wannabe carbon chainsets that were made to run on Record and Chorus bottom brackets until last year....

To be honest, the Ultimax is a harder wearing BB than record (larger drive side bearing).


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