In general, I am satisfied with the rubber, let's say - by 5 with a minus (due to braking, but it can roll in and get better)
Added for 2022:
For five years with runs of 7-9 thousand km. during the season, the tread is still there, but cracks appeared, and began to fall off in pieces. Storage conditions are ideal, on discs in a dark, dry place at 20°C. It was released in 2022, in general, it is designed for a maximum of five years of operation.See full review