Prathman, I guess it comes down to two methods. Mine works for me and yours works for you. One thing for sure is that I certainly can't argue with your success! But it goes against all I've learned about how bearings like to be treated. And that applies even after reading Brandt's theory on the matter of headset bearings and then reading a few other sources on bearing failure from a previous thread about this sort of stuff. Maybe it works for me because the types of rides I go on seldom see me riding in a long downhill coat with no perceptable steering. Or there may be something else at work to explain the issue. <shrugs>

I know that motorcycle headsets call for specific preloads in the ball style bearings such that there's a spec for them to move only when a certian amount of force from a spring style fish scale is used to pull on a specified part of the bars or forks to check for it. These use angular contact ball bearings very similar to the cartridge style bearings in bicycle headsets, just bigger. It's more likely to see a motorcycle on a tour riding along for many miles with no perceptable steering than a bicycle. I know because I did Highway 50 in Nevada a couple of years back. Seemed like DAYS of laser straight riding.... The steering head on the motorcycle is still fine. Again, I think there may be more to this than Brandt's theory. It would be nice to hear from a bearing engineer or two.