Kumho Ecsta STX (KL12) Run Flat

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Price Range:  USD $170.50 to $187.99

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265/50R20Run Flat (BSW) 2101283 420-A-A107 V

265/35R22Run Flat (BSW) 1851713 420-A-A102 W

The ECSTA STX meets the demanding needs of the SUV/ light truck UHP and tuner market. Engineered to provide "extreme performance and eye appealing appearance" for a full size range of sizes from 15" through 26". The all season performance provides all-out wet and dry handling that has been previously reserved for passenger tires.

Unprecedented tire performance. For the safety of your family. For comfort when you are driving. For an expression of your pride, the ECSTA SPT KU31 has been developed by Formula Technology

  • Special high performance tread compaound maximizes traction in both wet and dry.
  • High strength steel belts, covered with a spiral wrapped nylon cap ply, provides excellent durability and handling.
  • High bead apex design optimizes the tire for good ride comfort with excellent steering response.

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Ecsta STX (KL12) Run Flat

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Warranty summary for replacement tires purchased on or after 01/Dec/2016

Treadlife Warranty


Uniformity Warranty

1 Year / first 2/32" of wear

Workmanship Materials Warranty

5 Years / Free replacement first year or 2/32" of wear, then prorated until 2/32" remaining depth

Manufacturers Road Hazard Warranty

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Manufacturer Warranty Brochure

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Manufacturer Special Warranty

Special Notes:

Warranty information provided may be innacurate, or may be out of date. Please see official manufacturer's warranty brochure for specific details.

New vehicle Original Equipment tire warranties often differ from those covering replacement tires. Consult your vehicle documents to confirm Original Equipment tire warranty coverage.