S668 All-Position The Sailun S668 is a radial tire designed for all positions. The S668 features contoured shoulders to deliver exceptional service life in the most extreme high scrub trailer applications. The contoured shoulders make the S668 ideal for use on multi-axle and spread-axle trailers. This tire is engineered with our most durable rubber compound to resist lateral scrubbing throughout the service life. FEATURES & BENEFITS 5-Rib tread pattern promotes stable on road performance and even tread wear. Cut and Chip resistant rubber compound. Solid shoulder design promotes lateral stability for all positions. Stone ejectors protect tire against stone drilling. Wide tread footprint maximizes tread life.