225/45R17 91W TL ECSTA SPT KU31 RFT

Tire width: 225
Tire height: 45
Diameter of rim: 17
Load index: 91
Speed index: W
With/Without cameras: Without cameras
RunOnFlat technology: Yes
Season of tire:
Manufactured by: Kumho
Fuel efficiency:
Wet grip:
External noise:
73 dB
Delivery: 14 days



The Kumho ECSTA SPT KU31 is a tyre for the sports driver who requires a fine balance of comfort and high performance.
Featuring directional tread design with mid to low noise and high dispersible silica compound.
A fine balance of comfort, high performance and safety in all conditions.

Directional tread design with mid to low noise and high dispersible silica compound
The Ecsta SPT is the ideal tire for the sports car owner on a budget and sedan owners looking for a sportier feel or plus-sized fitments. The directional tread design provides excellent water drainage with intermediate and center rib blocks that deliver steering response and ride comfort. The silica tread compound delivers excellent wet and dry traction under normal or high-performance driving. The Ecsta SPT is available in staggered fitments and also features Kumho Tire's XRP -- Extended Run-Flat Technology.

Key Feature:

  • Asymmetric groove design for high speed stability
  • Silica compounding assures maximum grip and wet hydroplaning resistance
  • High tensile steel belt and jointless nylon full cap ply ensure smooth ride and precise handling
  • Rim protector
  • For mid-class and executive vehicles as well as sports cars


High speed performance

Application of straight rib for high speed driving stability


Low noice

Optimising patern block design for low noice level ECSTA logo in tread


Kumho-Ecsta-Spt-KU31-straight-groovesStraight grooves


Straight grooves for aquaplaning resistance and notches to induce turbulence and reduce laminar flow friction


Kumho-Ecsta-Spt-KU31-driving-stabilitiDriving stabiliti


The slash style sipes maximise cornering grip and straight line stability


Tire performance rating: