Tire Description

The Ecsta SPT XRP (KU31) is Kumho's Ultra High Performance Summer self-supporting run-flat tire developed for sports cars, coupes and sedans to provide temporary continuing mobility (up to 50 miles at up to 50 mph) in the event a puncture allows complete air pressure loss. While Ecsta SPT XRP (Extended Runflat Performance) tires are designed to combine performance, comfort and good looks with the convenience run-flat mobility provides, they are not intended to be driven in near-freezing temperatures, through snow or on ice. Ecsta SPT XRP tires feature Kumho's High Dispersion Silica tread compound (that broadens the tread rubber's temperature operating range) molded into a directional tread design that features large, independent shoulder blocks, four straight, circumferential grooves and three solid center ribs to combine wet grip, responsive handling and high-speed stability. Rotation Wear Indicators (R.W.I.) are built into the Ecsta SPT XRP to let drivers know the time has come to rotate tires to maintain more even wear and lower noise levels as the tire approaches the later stages of its treadlife. The Ecsta SPT XRP tire's structure includes twin steel belts reinforced by a spiral-wrapped, jointless, nylon cap ply to enhance ride quality while providing high-speed durability. Rubber run-flat inserts are molded on the inside of both of the tire's sidewalls to provide temporary continuing mobility in the event of a puncture causing complete loss of air pressure.

Customer Reviews

Much quieter than the Pirelli Euforia's that we're on the car previously. These also don't seem to tramline as bad as the Pirelli's... yet. In dry conditions, these stick very, very well during tight cornering. Haven't driven these in the rain yet since the rain hates to fall in Southern California lately. If these tires continue to hold up as they're currently performing throughout most of their life, these are the best bang-for-the-buck RF tires, hands down.

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