STRO (The Scandinavian Tire & Rim Organization) is a set of technical data and standards for tires. STROs core business has been since the organizations inception. Since 1960. development of technical standards for tires-rims. STRO standards are based on international standards and have been adapted to the specific circumstances of the Nordic countries. In addition, STRO also disseminates information to the media and consumers. STRO cooperates with the relevant authorities. automotive and tire industry. tire dealers.