4 speed ka-booom !

Why would you want to keep it secret but tell people about it? The reason for a forum like this is to help other people. If you don't want to share your method that's fine but don't be childish like that.
I think he's just joking. I didn't see any magic taking it apart and it looks like putting it back together will mostly be a matter of keeping the bearings in place. And using the correct grease !!! LOL