36X12.5R16.5 tires are 36.0" tall, have a section width of 12.5", and fit wheels with a diameter of 165. The circumference is 113.0" that translates ...
36X13R16 tires are 36.0" tall, have a section width of 13.0", and fit wheels with a diameter of 16. The circumference is 113.0" that translates into ...
