After 4000 km I looked at the spikes - offhand, everything is in place. I ran about 100 km, then I had to go on the highway) Opened the windows - really noisy. But if the noise in the car is not bad, it's quite normal with music. Yes, and the hum is present at speed. In general, very satisfied. With its pros: Confident acceleration, rubber soft. The snow is falling confidently It doesn’t tan in frosts, in near-zero weather it also doesn’t swim very much like Cons below: There are none as such, only in the corners of the roll. It's noticeable on the track. It slips in snow porridge, although probably any rubber behaves like this) Brakes reluctantly on asphalt