Size and technical data

Ecsta ASX KU21

Ultra High Performance All Season

Tread Code: KU21

An ultra high performer for all seasons, the Ecsta ASX combines outstanding wet and dry grip with high performance handling and competent snow traction – all while delivering long mileage and great ride comfort. The Ecsta ASX comes with a 30,000-mile limited treadwear warranty.

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Special Features

  • Asymmetrical tread design optimizes all-season performance.
  • High-tech silica compound delivers the optimum balance of wet and snow traction, treadwear and fuel efficiency.
  • Large outside blocks maximize cornering performance.
  • High-angle slant and circumferential grooves provide optimum water drainage to resist hydroplaning.
  • E-technology step grooves and sipes increase edge effect for increased wet and snow performance.
  • Multi-zone tread contour provides dynamic casing control for improved comfort and handling.
  • The ASX’s ESCOT technology controls the tension throughout the casing to provide a comfortable ride and maintain performance handling.
  • The jointless cap and edge covers keep the two full-width steel belts in place to ensure strength, stability and maximum footprint during high performance driving.
  • Variable pitch tread blocks and cross-grooves reduce road harmonics for a quiet ride.
  • Rim protector in lower sidewall safeguards wheel from scratches and abrasions.
  • The ASX is available with two UTQG ratings. Sizes with a 60 aspect ratio and higher come with a UTQG of 420 A/A. 55 series and below come with a 420 AA/A UTQG rating.

Sample Vehicles

Acura Integra, Audi A4, BMW --, Dodge Dakota, Dodge Magnum, Hyudai Tiburon, Mazda 3, Mazda 6, Mazda Miata, Nissan Altima, Nissan Maxima, Subaru WRX, Toyota Camry, Toyota Celica, Volkswagon Golf GTI

Comparable Competitor Products

Bridgestone RE960 A/S Pole Position, Michelin Pilot Sport A/S, Pirelli PZero Nero A/S, Toyo Proxes 4, Yokohama ADVAN S4

high performance vs ultra high performance