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Cooper STT PRO

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STT PRO

The STT PRO is the most advanced extreme off-road tyre Cooper Tires offers, providing remarkable off-road performance without sacrificing on-road traction. Tested in the tough Australian Outback.

Available Sizes



Tyre Details

The STT PRO is the most advanced extreme off-road tyre Cooper Tires offers, providing remarkable off-road performance without sacrificing on-road traction. Tested in the tough Australian Outback, it is ready for anything you throw at it.

Key Features

  • Flex Grooves allow the tyre to flex, dampening the impact generated by inconsistent terrain, giving you more flexibility, better off-road grip and a smoother ride.

  • Mud Scoops and Mud Release Dimples create air pockets to release mud and debris from the tread, giving you exceptional all-surface traction.

  • Raised Rubber Ribs and Angled Groove Walls work together to eject stones from the tread, reducing stone retention and providing more grip off-road.

  • On top of high tensile body plies, the STT PRO features Armor-Tek3 Construction - an additional third ply on an 8° angle. Unique Armor-Tek3 Construction is engineered to give you over 2.5 times* more tear and impact damage resistance by reducing the rubber gaps by 50% to give you peace of mind when driving off-road. *Compared to standard 2-ply tyres.

  • Advanced Silica Compound, formulated with the optimum content of chemically-coupled silica. This helps reduce cutting and chipping off-road while improving wet traction on-road.


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Size Range

Not sure what size you need? Search by vehicle, or contact us using the form above.

Size Load/Speed Runflat Load Range Vehicle Code Technology
15"
30x9.5R15 104Q C Armor-TEK3
31x10.5R15 109Q C Armor-TEK3
32x11.5R15 113Q C Armor-TEK3
33x12.5R15 108Q C Armor-TEK3
35x12.5R15 113Q C Armor-TEK3
16"
235/85R16 120Q E Armor-TEK3
245/75R16 120Q E Armor-TEK3
265/75R16 123Q E Armor-TEK3
285/75R16 126Q E Armor-TEK3
305/70R16 124Q E Armor-TEK3
315/75R16 127Q E Armor-TEK3
17"
37x12.5R17 124Q D Armor-TEK3
265/70R17 121Q E Armor-TEK3
285/70R17 121Q E Armor-TEK3
315/70R17 121Q E Armor-TEK3
18"
275/65R18 123Q E Armor-TEK3
275/70R18 125Q E Armor-TEK3
305/70R18 126Q E Armor-TEK3
20"
305/55R20 121Q E Armor-TEK3