New Tires Being Installed on the RS

[Grumpy Goat]

8 mm is a lot of thread depth on the back tire.
Most of my back tires start with 8/32" or 6 mm.
Maybe it's my gauge?

It is not 8mm Lee. He said the figures are 1/32nds, i.e. "8" is actually "8/32" which agrees with your numbers.