the false Brinnelling [index feel] is a result of the adjustment getting loose, add repeated banging having acceleration space.

Getting the adjustment right and held Tight, and staying that way, is the key..

I'm still on the Ofmega/Avocet headset I fitted 30 years ago, .. steel, a near identical to Campag..



Chris King makes a cartridge bearing headset, the bearing adjustment is fixed in the manufacturing.

the aluminum parts let the bearings work.. and can be made in multiple colors..