I'll take 3, thanks

Without center axles, how do the wheels work?  I can only think of a slotted rim with bearing'ed guides - but that would be too weak.  And if there's a top-wheel guide on the front fork - that would wear out the front tire and create too much friction to be functional.  As for stability and rigidity of the weels, I can't see it.  There would be way too much flex and too much play in the front that would compromise handling.  No way carbon fiber.  They would have to be heavy Titanium to exist with no spokes and center hub.

I can see the frame, especially the BB with integrated drivetrain, maybe even shaft-drive.  But that wheelset doesn't even look functional and this seems to be nothing more than an artist's CAD mock-up.

I would stop racing and cheer on anybody that pulled that off during an event.

 Wow...it's not much to look at either.

Hmmm, goes against my engineering instinct.  The problem I see is transferring the load of the rider though a tangent point on the wheel instead of the center of rotation where is is then transferred though several spokes to the ground.

I dunno....wonder if it was 'designed' by an artist or an engineer?

~Mike

I think this bike cameo'ed in WALL-E. 

Weird.