How A Collapsible Spare Tire Works, And How It Might Save The Spare Tire In EVs

From Alex on Autos.

The most space efficient spare tire goes by many names: Collapsible spare tires, expandable spare tires, space saver spare, Vredestein Space Master, Collapsable spare, and many more. It’s been a favorite of the European car companies like Mercedes, Maserati, and Porsche, but it’s really Volkswagen and Audi that have pushed the tech forward by dropping it into high volume models like the Audi Q5, Volkswagen Touareg, and of course the Audi Q8 e-Tron. Yep, Audi makes the ONLY road-focused electric SUV with a spare tire. Outside the Q8 e-Tron you’re looking at conventional spares in off-road oriented SUVs like the Rivian R1S and Hummer SUV. With a footprint that’s 40% smaller than the average spare tire and lighter as well, could the Space Master spare be the answer for EVs designed to road trip? I sure hope so.

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0:00 – Could this save the spare tire?
0:55 – How small is it?
1:19 – How light is it?
2:02 – How does it work?
4:11 – Yep, it deflates too!