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  • Hankook Tire & Technology-Tires-iON ST AS-kv

iON ST AS

Maximize your EV's range with iON

Key features
  • Battery EV
  • Plug-in Hybrid
  • Summer
  • M+S
  • Noise
  • Mileage
  • Comfort
  • RR

Battery EVs and Plug-in Hybrid EVs share similar characteristics, making them equally well-suited for EV-specific tires.

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Maximize your EV's range with iON

Hankook Tire & Technology-Tires-iON ST AS-overview-kv
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iON INNOVATIVE TECHNOLOGY Learn more

  • Double the Advantage

    Thanks to iON innovative technology, the iON ST AS has pushed the limits to bridge the gaps between grip performance and noise / tread wear.

    Double the Advantage

    Thanks to iON innovative technology, the iON ST AS has pushed the limits to bridge the gaps between grip performance and noise / tread wear.

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Go Further for More Experience

i Super Mileage Technology & i Extreme Lightness Technology

Battery weight makes electric vehicles up to 30% heavier than ICE vehicles, which frequently causes uneven wear on tires. The iON ST AS is made of ProDurable Compound specifically made for electric vehicles to extend tire life. iON evo spreads out road pressure evenly thanks to Round Even Technology.

Extended Tread Life

ProDurable Compound
Composed of advanced fillers and flexible rubber materials, ProDurable Compound provides higher mileage without compromising snow performance.

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Even Tread Wear

Round Even Technology
Tires equipped on electric vehicles wear out approximately 20% faster with uneven wear than on ICE vehicles. iON ST AS achieves uniform contact pressure by optimising contact structure through Round Even Technology. The iON ST AS provides longer usage and less replacement.

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Further Reduced Rolling Resistance

Opti Cure Technology
The iON ST AS achieved the highest grade of LRR performance by applying Opti Cure Technology which improves all parts of the tire equally.

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Drive in Peace

i Sound Absorber Technology

Electric motors are almost soundless which results in the driver hearing more noise from the tires. With i Sound Absorber Technology, the iON ST AS offers a quiet and pleasant ride in all speed ranges.

Reducing Noise by Pattern Technology 1db

It offers improved noise performance by 1dB.

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Pattern Noise Test result

The iON ST AS offers a quiet & pleasant ride in all speed ranges.

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Drive in Peace

i Sound Absorber Technology

Electric motors are almost soundless which results in the driver hearing more noise from the tires. With i Sound Absorber Technology, the iON ST AS offers a quiet and pleasant ride in all speed ranges.

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Minimized Shoulder Lateral Groove

The lateral groove structure that bends and gets wider towards the shoulder cause the lateral groove to contact the ground gradually, which reduces the air pumping noise.

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Optimized Block Angle Simulation

The block angle was designed to improve noise performance by maintaining rigidity through HK noise simulation and rigidity analysis.

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Block Edge Chamfer

Block Edge Chamfer is applied to minimize the impact with the road surface to improve noise performance.

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Comfortable to Drive in

Smoother Ride Comfort without Impact

The iON ST AS uses Opti Pitch Technology and vibration control technology to provide more comfortable driving conditions on the road.

Smoother Ride Comfort

Optimized Multi-Pitch Sequencing through Opti Pitch Technology
Tire noise can be drastically reduced by applying Opti Pitch Technology. The iON ST AS has optimized the number and size of pitches to let you hear what's important.

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Vibration Control Technology

Designed to absorb and reduce vertical impact shock when driving on road surfaces to provide a smooth, composed ride. Contact the ground gradually, which reduces the air pumping noise.

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Gallery

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  • Spec

    iON ST AS iON ST AS SUV
    • 15”
    • 16”
    • 17”
    • 18”
    • 175/55R16
      • Fuel Efficiency X
      • Wet Grip X
      • Noise X
      • Max Load / Load Index 450/80
      • Speed Symbol H
      • UTQG - Tread Wear 360
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
      • OEM BYD
    • 175/65R15 XL
      • Fuel Efficiency X
      • Wet Grip X
      • Noise X
      • Max Load / Load Index 560/88
      • Speed Symbol V
      • UTQG - Tread Wear 360
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
      • OEM BYD
    • 185/55R16 XL
      • Fuel Efficiency X
      • Wet Grip X
      • Noise X
      • Max Load / Load Index 545/87
      • Speed Symbol V
      • UTQG - Tread Wear 360
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
      • OEM BYD
    • 205/55R16 XL
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 670/94
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction B
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 205/60R16
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 630/92
      • Speed Symbol H
      • UTQG - Tread Wear 720
      • UTQG - Traction B
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 215/50R17
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 615/91
      • Speed Symbol W
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 225/55R17
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 730/97
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 235/45R18 XL
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 750/98
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 235/50R18
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 730/97
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 17”
    • 18”
    • 215/60R17
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 710/96
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 225/55R18 XL
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 850/102
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 225/60R18 XL
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 69
      • Max Load / Load Index 900/104
      • Speed Symbol W
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China
    • 235/60R18
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Max Load / Load Index 875/103
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam N
      • Run Flat N
      • Sealant N
      • Origin China