“Best” all around axle ratio: ~450hp w/ A904?

Ot the metric listing for the tire size isn’t exactly what you think it is or what it says it is listed as. Take a stroll through some fire manufacturers listed tire diameters vs others listed tire diameters.

Exactly ! This is where the theoretical world meets the real world. A 26" tire may actually be 26.5 inches so speed at a given RPM would be off.

The math still works though, you just have to be precise about the actual numbers you are using to calculate your results.

So in regards to tires, measure the the actual circumference don't assume what's on the sidewall is 100% correct.