At 09:26 AM 27/10/2007 +0200, Amir Avitzur wrote:
>If the cups and cones were cheap to begin with, they may not be hardened
>throughout and
>the carborundum will cut away whatever hardening there was.
That's true. However, since most vintage bikes are not ridden a great deal, this is still preferable to having a pitted hub if a replacement is unobtainable or outrageously expensive. I have even resurfaced a BB spindle in a lathe using a toolpost grinder.
John Betmanis
Woodstock, Ontario
Canada