ET Street Tire 31X16.50-15LT Revs/Mile 650 Mickey ThompsonET Street R bias ply from Mickey Thompson is a D. O. T street legal drag tire with proven race compounds and incredible traction. DOT approved for street use. Minimal tread void for dry traction. Details: Centerline Tread Depth 185: 6 Circumference (in): 100. 2 Clean Oil: No Compound Designation: M5 Gross Weight (lb): 34. 07 Inflated Overall Diamter (in): 31. 89 Inflated Section Width (in): 16 Inflated Tread Width (in): 13. 39 Load Range: B Maximum