Sumitomo St909 Tires

Commercial Truck/Bus. Medium-Duty Truck Open Shoulder Drive tire for Regional Applications.


  • Deep shoulder blocks
  • Significantly wider tread face
  • Stone ejectors
  • Advanced Y-shape groove design


  • For increased traction
  • Offers more consistent retreadability
  • Protect casing from damage in the base of the tread groove
  • Improves stone ejection, traction and contributes to long tire life


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