Old 10-13-21, 11:10 AM
  #5  
70sSanO
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Bikes: 1986 Cannondale SR400 (Flat bar commuter), 1988 Cannondale Criterium XTR, 1992 Serotta T-Max, 1995 Trek 970

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You can get Grade 25 ball bearings, 1/4” and 3/16”, at an LBS. I wouldn’t go to anything better, but I wouldn’t go anything less than that; such as Grade 100.

John

Edit added: I also don’t skimp on the grease; pack it in there.
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