TWO New 21X11.00-8 OTR 22 Mag Zero Turn Mower Tires 21X11-8. Price is for TWO tires. These are new 21X11.00-8 OTR 22 Mag Off Road chevron bar lug tires, they are 4 ply Rated Tubeless tires with a max 22 psi. These are used on some zero turn mowers as drive tires. This size tire is commonly found on Grasshopper and other brands of zero turn mowers however double check your size before ordering OTR part number is T2404222111008. OTR lists the specs as 21.2 tall, 10.9 section width. OVER 50 YEARS IN THE TIRE BUSINESS.