The ST791 features unique zig zag grooves along with full depth sipes to provide strong traction in both wet and dry conditions. The optimised tread compound ensures long life with low heat generation. The sidewall protection band resists kerb scuffing to minmise casing damage.

City Service Reliability


Advanced Tread Compound >

Resists the effects of tread scrubbing during operation in harsh city route service.

< Kerb Guard on Sidewalls

Protects the casing from in-service damage.

Zig Zag Groove Design >

Combats irregular wear and increases rigidity to improve handling.

< Full Depth Sipes

Increases wet and dry traction through the life of the tyre.

  • Sizes and Specs
    Label 12Label 13Label 14Label 15Label 16Label 17Label 18Label 19Label 20Label 21Label 22Label 23Label 24
    SRAU 6 DigitSAP DescriptionTyre SizeLoad Index (Single)Load Index (Dual)Speed SymbolTypeBrandPatternProduct OriginOverall Diameter (mm)Static Loaded Radius (mm)Overall Width (mm)Tread Width (mm)Original Tread Depth (mm)Design Rim Width (inch)Allowed Rim Widths (inch)Main ApplicationMain PositionMax Tyre Load (kg) @ Pressure (psi) SINGLEMax Tyre Load (kg) @ Pressure (kPa) SINGLEMax Tyre Load (kg) @ Pressure (psi) DUALMax Tyre Load (kg) @ Pressure (kPa) DUALMax Speed (km/h)
    287215[TB] 11R22.5 148/145J SU ST79111R22.5148145JTLSUMITOMOST791JAPAN1064496287202197.57.50 - 8.25UrbanSteer[email protected][email protected][email protected][email protected]100
    303097[TB] 275/70R22.5 148/145J SU ST791275/70R22.5148145JTLSUMITOMOST791JAPAN969452278226187.57.50 - 8.25UrbanSteer[email protected][email protected][email protected][email protected]100