So, now I gather that you sell ceramic bearings for a living or write for Bicycling magazine. Seriously, 40% increase in *what* power specifically?
Lets say I typically generate 300 watts on my archaic steel bearings while travelling at 23 mph. After switching to ceramic bearings (hell, you pick whatever ABEC rating that you want to use) what exactly changes by 40% and what is my new power at 23 mph or speed at 300w (again your choice, make it easy upon yourself)?
For bonus points, provide a link to *any* research which shows a savings of at least 1% (3 watts) of the total power output to maintain 23mph on the bicycle in this case. I'll even give you the hubs, BB, pulleys, pedals, headset, and any other bearings that you'd like to use in showing this savings to be real.
OTOH, if this was supposed to be a tongue-in-cheek response, then maybe a smilie or something would be helpful so that people know not to take that **** seriously.