Poor wear and dangerous – I hit a pot hole and had to replace my Pzero neros. The tire shop said there was extreme wear (2/3 32nd) on the outside part of the tires. They also sowed me a disturbing amount of worn rubber inside the tires. The tire guy said the wear was so bad that it was dangerous to drive on other tires not affected by the pot hole. Here's the kicker, the tire only had 13,500 miles on them. Do not buy these tires.