I would be interested to see if they could ditch the awkward rear cassette and replace it with a bottom bracket gearbox. That merged with the shaft drive would

I would be interested to see if they could ditch the awkward rear cassette and replace it with a bottom bracket gearbox. That merged with the shaft drive would be really interesting. Although they are probably more worried about ounces than reliability since it's a time trial bike. I would pay a lot of money to not have to constantly be fiddling/cleaning/lubricating my chain drive...