There is a new Kumho competition tire out that has problems holding together. This is the new 710 and it has been outlawed/banished by SCCA and other organizations soon to follow. The tires have been delaminating down to the cord in chunks and as soon as 5 laps on a track. This is not just happening in one size but many so until you hear otherwise
that the problem has been fixed, stay away. Kumho may just
change the number 710 to something new when the fix is done so there is no confusion of which are good and which are bad.
I was at a track event this past weekend and saw firsthand the way the tire comes apart....dangerous!
So just be forewarned of this inferior Kumho 710 tire and NOT any of their other tires which have no problems.

Tobias MB
3 MBs

IMPORTANT NOTICE FOR ECSTA V710 TIRES

Kumho Tirešs priority is safety, and we are committed to supplying our customers with the highest quality and best performing tires that are available anywhere in the world. It is with this philosophy in mind that Kumho is taking immediate action in discontinuing the sale of the ECSTA V710 Competition Tire.

The V710 has won several races and set numerous track records since it was introduced into the market on January 1, 2004. Although we have not experienced any air loss failures with the ECSTA V710 Competition Tire, we have discovered some inconsistent test results relating to tread splice and tread area durability.

The sale of the ECSTA V710 Competition Tire will, therefore, be discontinued immediately, and tires in use in the market will be collected from consumers. Kumho will replace them with either the Kumho ECSTA V700 or Victoracer tire free of charge.

An investigation into the cause of the inconsistencies has been carried out and modifications to the product and production methods have been made to ensure these inconsistencies do not re-occur.

Consumers who have purchased the ECSTA V710 Competition Tire must call the dealer where the tires were purchased or the following toll free number to arrange for tire return and replacement:

1-800-445-8646 Extension 342

Consumers will be given the choice of a free replacement of the ECSTA V710 with either the ECSTA V700 or Victoracer. They will also be provided a free set of the modified ECSTA V710 upon its arrival.

Kumho is sincerely committed to the quality of our products and the total satisfaction of our customers. We regret any inconvenience to our customers.


Kumho Tire U.S.A.

14605 Miller Avenue

Fontana, CA 92336

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use my name for on-line orders