GM and Michelin Developed Airless Tires »GoGetNews News


GM and Michelin have announced a partnership to improve airless tire technology. Partners have already presented a development called Uptis, the effectiveness of which was tested at the GM test site in Milford, Michigan.

If testing Chevrolet Bolt EV with airless tires is successful, then by 2024 GM will offer Uptis for some of its models as an option. They will reduce the unsprung weight and increase the range without recharging.

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Uptis stands for Unique Puncture-proof Tire System. The design consists of an outer tread and an inner rim, between which soft “spokes” from a mixture of composite rubber and polymeric fiberglass are stretched, which makes it possible to operate tires at a fairly high speed.

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