Originally Posted by
juvela
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when i first saw the campag bb fittings thought "...must be that campag chainset added post manufacture as a cycle which came with a record chainset would not have come with a way-assuato headset.." then noticed that spindle is black oxide finish and a wee lamp illumined in what passeth for me "braine." bicycle from just the right era for the campag sport chainset ref. 3320. its bottom bracket spindle has the black oxide finish.
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Good call, and as was usually and still is the case, the cheaper models sell in bigger numbers that the top-tier full-Record bikes.
I have sure come across a lot of such mid-level Bianchis over the years, with just a few select Campag components and with the rest being Ofmega and so on.