Old 01-04-10, 05:25 PM
  #4  
kirke
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You can use the newer Record track 111mm symmetrical bottom bracket and get away with it, but the post-1994 Campagnolo bottom brackets have an ISO taper. Older Campy BB's actually had a proprietary taper (somewhere in between ISO and JIS, but actually closer to JIS). So, if you install your 60s-70s Record Pista cranks on a newer ISO 111mm Record Pista bottom bracket, you might have some chainline issues. Plus, you might end up changing the shape of the square taper on the cranks themselves.

If I were you I would search for an original 68-P-120 Campagnolo Record Pista bottom bracket. Or get a Phil Wood.
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