Press fit is the best mechanical way to design a BB.
A lot of manufacturer are starting to do it, like shimano.
If you are looking for parts for you klein, there is a german brands selling parts for it.
Hello,
Here is my dream bike :
It's from 1994.
It was shown at interbike. This is a Monolith prototype, with the composite parts made by Kestrel.
That's all i know ! Looking for comments and more info !