[rod]

measured section width for Phoenix bias real drag slick, 9 x 28.5. all measurements taken at 15 lbs.
height [these are an approximation between the corner and the high point in the center of the tread]
it should be noted that as the rim gets wider the section width moves closer to the rim.
rim SW tread height
7 11 1/8 9 28.5
8 11 1/2 9 28.5
8.5 11 1/2 9 28.5-
9 11 3/4 9- 28 3/8
10 12 1/2 9- 28 1/4

Rod in AZ