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"you do the math" seems appropriate at this point :)
http://www.bikeforums.net/classic-vintage/974793-question-about-campy-bb-spindle-lengths.html
Scilly.Suffolk-
Thank you for those links. Very informative! Not sure I've got the answer though!
I have a mid 90's cartridge bottom bracket that's 111mm that looks like this in my bike cave:
I'll give that a go, and see how that goes. I've got a feeling the chainline will still be too far out though. If that doesn't work, a 109mm Pista BB might have to be purchased (if I can even find one at a reasonable price!), but I've got a feeling that even if that works, I may have to clearance the RHS chainstay slightly (using the hammer/broom handle technique) to prevent the chainring fixing nuts from fouling.
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Just to update the thread, my wanted advert on another forum came up trumps. I can confirm that an SR Royal 106mm ISO BB gives me a 41mm chainline with this crankset: within 0.5mm of where I want to be, which is good enough for me!
Rhodrich
Campagnolo experts....
I've got a 1977 Gran Sport chainset as below, which I'd like to use with a single chainring for Fixed Gear use:
Does anyone know what bottom bracket I can use to get a 40.5mm chainline (slightly narrower than normal, as the frame has a vintage wheelset on it which needs this). It seems to be a complete minefield out there!
Thanks