Sumitomo St528 Tires

Commercial Truck/Bus. Medium-Duty Truck On/Off-Highway Mixed Service All-Position Radial tire.


  • Deeper tread depth
  • Patented rubber compound
  • Special rust inhibitor compounds
  • Additional undertread thickness
  • Curb defense ribs on sidewall
  • Stone ejector buttons in center grooves
  • Sumitomo Tire Limited Warranty


  • Increases time in service
  • Resists effects of tread chipping and operation in high-scuff applications
  • Coat all surfaces of the four steel breakers, reducing the migration of rust
  • Assist in protecting the belt package
  • Give extra protection to the casing
  • Combat stone drilling


Ezytire Toolbox