215 is the width of the tire in millimeters(8 1/2")
75 is the % of side wall height to tire width so 75% of 215= 161mms(6 3/8")
15 is the rim size in inches
so to determine total height add upper and lower side wall height to rim size,15+6 3/8(
upper) + 6 3/8 lower side wall totalling 27 3/4 "
.
75 is the % of side wall height to tire width so 75% of 215= 161mms(6 3/8")
15 is the rim size in inches
so to determine total height add upper and lower side wall height to rim size,15+6 3/8(
upper) + 6 3/8 lower side wall totalling 27 3/4 "
.
