To me, that's a scary one.
I used to autocross quite a bit, always in a street tire class. Very lightweight car, sophisticated double-wishbone suspension (changes camber angles with body lean), and tricked out with performance parts - eibach springs, koni adjustable compression/rebound/height shocks, triple anti-sway setup. It was built for autocross.
And even still, I could get my butt spanked by a guy in a bone-stock Subaru Forester who bolted on a set of race tires.
And similarly, tires that "wear great" often have safety trade offs, unless you're driving like miss daisy. I know I don't want to hear my tires squealing as I go around entrance and exit ramps at suggested speeds... downright gives me the willies imagining what might occur in the wet! And that's in a car.
I'm new to bikes, but I know motorcycle rubber is typically much softer, much more akin to sticky autocross tire rubber, and having tread patterns that respect the bike's ability to lean. And not just the compound... car tires are molded with sidewalls that aren't designed to deform like that, and bike tires don't deform when leaning.
It's not all about "how much" contact patch on the road, it's about how much grip FROM that contact patch. Looks like a scary gamble to me, anyway.
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