while driving a
(265/35 R19 R) on
a combination of roads
These tyres may be black and round, but it's about all they have in common with other brands. But I suspect the material they're mad of is closer to bakelite than actual rubber.
Dry grip is okay-ish, if you don't push too hard, wet grip is positively terrifying. What's worse, the tyres let go with almost no warning.
The 35 section tyres on 19" wheels that I have are harsh and noisy, making trips on less than perfect road surfaces an unpleasant chore.
On the positive side, they're last a long time. Which is a shame, because I'm getting rid of them after only 6,500km.