Built-in retractable chains
Steel composite chain deploys in seconds for maximum grip.
Automotive · Smart Tyres
One tire. Every condition.
The world's smart snow tyre: retractable steel chains deploy in under two seconds, a self-heating layer melts ice in the tread, and AI road adaptation retunes the contact patch in real time.

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Technology
Steel composite chain deploys in seconds for maximum grip.
Heating elements in the tyre wall melt ice and hold traction in extreme cold.
AI adjusts the tread pattern for snow, ice, wet or dry.
Puncture-resistant construction rated past 100,000 km.
Continuous auto-adjustment and live telemetry to the app.
Colourways
Sizes & fit
Car / Sedan
205/55R16 · 225/50R17 · 235/45R18 · 245/40R19 · 255/35R20
SUV / Truck
265/65R17 · 275/60R20 · 285/50R20 · 295/45R22 · 305/40R24
Off-road
LT265/70R17 · LT285/70R17 · LT295/65R18 · LT305/55R20 · LT325/60R20
Materials & heritage
Heritage signature
The Z-Africa edition carries woven heritage graphics on the rim face and sidewall.
Specifications
In the box
Accessories
The story
Chains you never have to fit. The tyre senses grip loss, deploys, warms the tread and reports everything to your phone — then hides the chains again when the road clears.
Mountain pass at night, chains deploying mid-corner.
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