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Old 11-15-19, 11:59 AM
  #9  
Bill Kapaun
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Looking at bikmig's thread-
Left offset =32mm
Right offset = 37.5mm

An "old school" spindle is a 3S.
Symmetrical equivalent cartridge = 127mm.

Sheldon has a chart.
Scroll down about 3 "clicks"
https://www.sheldonbrown.com/bbsize.html
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