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  • Commercial Position: Steer
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2 Reviews
2 on SimpleTire
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    • Dry
      4.0 out of 5
    • Wet
      4.0 out of 5
    • Winter
      4.0 out of 5
    • Comfort
      4.0 out of 5
    • Noise
      4.0 out of 5
    • Treadwear
      4.0 out of 5
    Shu Wiggins
    Verified Customer
    Jerry Reagan
    Verified Customer
    See all customer reviews for st778 tires

    Get technical:

    The steer position Sumitomo ST 778 tire is engineered for long-haul applications. Its special S-Tech design delivers long mileage and superb handling. The flat contact surface, as well as wide tread radius, minimize irregular wear and improve grip. To improve safety in wet conditions, this tire features wide circumferential grooves that expel water from the contact patch enhanced protection against hydroplaning. Micro-grooves enhance wet grip by providing additional biting edges.


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