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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
@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