this could be hot, but i already see one problem.

to have the maximum aero advantage, the downtube should be much deeper than it seems to be. even the zipp bike had a much deeper downtube. since the downtube has to be strong enough to support the rider and the whole bike, then it is likely to have to be fairly wide. and to get a good, low drag airfoil around a big pipe, the air foil has to be long, or deep.

not the case on this bike. it think their focus is on ride quality vs. aero advantage.

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Where would you want to swim ?