Originally Posted by
tomato coupe
Again, which of the two statements is BS?
1. An oval tube is more aerodynamic than a round tube.
2. The above is a small effect.
An oval tube in isolation is more aerodynamic than a round tube. But when you put a cyclist with his bobbing thighs in front of the seatpost thrashing the air into a turbulent mess, it's possible that that advantage no longer matters.