EPA SmartWay® verified and CARB-compliant fuel efficiency without sacrificing removal miles means that the Firestone FT491 helps deliver a lower cost per mile. With features such as the patented Defense Groove™ and ULTI-Rib™ designs to combat the initiation and spread of irregular wear, the FT491 is designed for single- and tandem-axle trailer and dolly applications in long- and regional-haul service.