Originally Posted by
Ross520
I’m not sure what that would have to do with the tires. The improvement should be the same regardless of the aerodynamics of the rider and rest of the bike.
Sure, the 0.001% of added drag would be there no matter what. My point was that the difference in air drag from the added few mm in tire width is likely so minuscule that it's negligible in the real world, and the other factors like weight, pressure, casing etc. far outweigh that.