Slippery new tires...its true

[max]

Yup, too right, apparently it's not a coating but the slippery surface when the tire leaves the mold.
here are some striking examples;
https://www.youtube.com/watch?v=Q9zNUPDmnz4

and another nice Aussie rider, same thing;
https://www.youtube.com/watch?v=ur6KotTUBaM

Thanks for the heads-up