So I currently have a speedo error of 0.092% !!
This was obtained by setting my speedo to KPH (a finer scale than MPH) and using a GPS app that logs peak speed to the first decimal. Three runs averaged.
Of course, this is coincidental, since, at the current state of tire wear, the uncorrected error fell right at about 4%, the exact correction factor of the new sensor.
This error will change as the tire continues to wear and again as it get's replaced. But I'm confident I can trust my speedometer now!
I have a second prototype, and I'll be seeking a volunteer to test it? Maybe someone who rides more aggressively than I do and can see if it affects ABS or TC?
Thou Shalt Respect Thy 10, And Revel In It's Power, For It Is Good, And Plentiful.