ET Street Tire P275/45R18 Revs/Mile 746 Mickey ThompsonA street tire that can be driven on the track, the ET Street S S from Mickey Thompson is a high performance street to strip tire with radial construction, R compound and more Details: Centerline Tread Depth 205: 6 Circumference (in): 87. 3 Clean Oil: No Compound Designation: R2 Equivalent Size: 28X11. 50R18 Gross Weight (lb): 32. 066 Inflated Overall Diamter (in): 27. 8 Inflated Section Width (in): 11. 3 Inflated Tread Width (in): 10 Load Range: STD