This is a pair of Aztek 1.9" Rock Crawling Tires. Pro-Line proudly announces the release of the Aztek, a revolutionary RC rock-crawling tire designed to redefine off-road performance standards. The Aztek boasts a chevron-shaped, stepped lug tread design, fortified by heavy-duty sidewall lugs with siping for enhanced side-hilling capabilities. This tire is meticulously crafted to conquer any terrain, offering exceptional forward bite in wet or dry, abrasive or slick conditions.