On my second set of BFG AT/KO's.

First set - 31x10.5x15, lasted just over 60,000 miles (probably could have lasted another 10,000 if it was pavement only).

Second set - 32x11.5x15. Only have 3,000 miles on them at this point.
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"Nature has constituted utility to man the standard and test of virtue. Men living in different countries, under different circumstances, different habits and regimens, may have different utilities; the same act, therefore, may be useful and consequently virtuous in one country which is injurious and vicious in another differently circumstanced" - Thomas Jefferson, moral relativist