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Bottom Bracket Advice

Old 09-19-06, 10:09 AM
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Bottom Bracket Advice

I have a Campy Pista crank(bought new Dec. 2005), the crank requires a 111mm ISO taper

I have a new Campy Record BB English thread 111mm symetrical that I bought for it

Here's my question..
I just bought a new frame with Italian threading,

last night I dug out a veloce road bb italian threading 111mm ISO but it is a road (asymetrical) bb,

Can this be used for now until I save up for a phils later on this year?

What is throwing me is the asymetrical and symetrical diiferences between the 2 bb's(I understand the different load's on the crank,bb,etc) but does this make any difference for just a non track rider

also I was looking at the phil's, I assume they are not symetrical

SO will my older Italian 111mm road bottom bracket work for now??
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Old 09-19-06, 10:12 AM
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measure what kind of chainline it gives you and go from there. if it isnt so bad (2-3 mm or so off, whatever) then it should work until you can get the right one. brakes or no?
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Old 09-19-06, 10:29 AM
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according to campy specs 111mm with the cranks give a 42.5 chainline..

so I am guessing that any type of ISO taper bb with 111mm will work, I will probably just go ahead and put it on anyway just to see if it will work

no brakes on this build, got brakes on my road and my IRO, this one will be pure track
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Old 09-19-06, 10:48 AM
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An assymmetrical BB will give a different chainline than a symmetrical BB, given the same spindle length. How much difference, I don't know. But I doubt that it will ruin your day.
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Old 09-19-06, 10:49 AM
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i run a chorus triple bb (111mm width) with record pista cranks on my italian bianchi pista with no chainline issues...
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Old 09-19-06, 11:11 AM
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if you don't have the specs for the road bb, just measure it
and see how it compares to the pista...
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Old 09-19-06, 11:12 AM
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Originally Posted by isotopesope
i run a chorus triple bb (111mm width) with record pista cranks on my italian bianchi pista with no chainline issues...

great that's what I needed .....thanks all for the help
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