Firestone FS591 steering:11R22.5,295/75R22.5,

Ulti-Rib™ design combats the initiation and spread of irregular wear
Continuous shoulder offers long, even wear and reduced rolling resistance
Stress release sipes fight irregular wear on main ribs by absorbing rib edge stresses in the footprint
Stress release sipes fight irregular wear on main ribs by absorbing rib edge stresses in the footprint
Thirsty cross-rib sipes improve traction by slicing through water for a solid grip on wet roads
*20% better removal mileage than Yokohama 101ZL