jim beam wrote:

Jobst Brandt wrote:

although I have a few head sets where both top and bottom
ball bearings as well a roller bearing ones have fretting dimples.

no jobst, you have brinelling dimples. *don't protect your ignorance like
it's a virtue.

How the hell would you brinell a _top_ race, or a roller bearing
headset? Your determination to somehow declare Jobst wrong when he's
not is strange and perverse, not to mention futile.

Chalo