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iON ST AS

Maximise your EV's range with iON

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

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

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Maximise your EV's range with iON

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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 tyres. The iON ST AS is made of ProDurable Compound specifically made for electric vehicles to extend tyre 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.

Even Tread Wear

Round Even Technology
Tyres 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.

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 tyre equally.

Drive in Peace

i Sound Absorber Technology

Electric motors are almost soundless which results in the driver hearing more noise from the tyres. 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.

Pattern Noise Test result

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

Drive in Peace

i Sound Absorber Technology

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

1

Minimised 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.

2

Optimised Block Angle Simulation

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

3

Block Edge Chamfer

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

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

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

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.

Gallery

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  • Spec

    • 205/50R17 XL
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Ply Rating 4
      • Max Load / Load Index 650/93
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction B
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam Y
      • Run Flat N
      • Sealant N
      • Origin China
    • 215/50R17
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Ply Rating 4
      • 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 Y
      • Run Flat N
      • Sealant N
      • Origin China
    • 215/55R17
      • Fuel Efficiency B
      • Wet Grip D
      • Noise 70
      • Ply Rating 4
      • Max Load / Load Index 670/94
      • Speed Symbol V
      • UTQG - Tread Wear 720
      • UTQG - Traction A
      • UTQG - Temperature A
      • M+S Y
      • 3PMSF N
      • Foam Y
      • Run Flat N
      • Sealant N
      • Origin China