Dozers are made to be fast and smooth. Our Dozers are 58mm 99A Duro so they roll easily and smoothly over debris and cracks. Made in the USA Dozers are made of the finest quality urethane and are resistant to flat spots and uneven wear. The Dozers have a tough Tonka-style tire graphic that looks great. If you’re looking to push less and flow more our Dozers might be right for you. 58mm 99A Made in the USA.