(In my opinion, the price of rubber can go up even with this level of quality. We have no choice but to continue purchasing it till both the price and the quality deteriorate. I put 15,000 miles on it with no problems whatsoever.) - This was written back in the pilot episode. According to the reports, the quality of the rubber material has deteriorated, however I didn't notice any signs of a red nale during my wear. After 60,000 steps, the tread is practically done, and it does not collect puddles anymore. She was able to put up with a lot of things without complaining, including my erratic driving style and driving in 2022 (in the Hong Kong region, even in areas where there are no roads) on roads and in directions. She did this without suffering any ill effects.