The retreadable Sumitomo ST938 tires are designed for long mileage and exceptional highway performance. They feature an innovative block arrangement that ensures minimal rolling resistance for fuel efficiency. The closed shoulder design enhances surface contact to reduce wear and enhance stability. In wet conditions, the wide grooves channel water away from the contact patch to improve hydroplaning resistance. The deep tread delivers long mileage and optimal traction on both wet and dry surfaces. Applications: Long Haul,Mixed Service Specifications Tire Size 9/R17.5 Tire Width 285 Wheel Diameter 24.5″ Tire Season All-Season Tire Speed Rating Y Tire Type Commercial Tires Tire Load Index 144 Brand Sumitomo Manufacturer Part Number 5532478 Manufacturer Sumitomo 
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