I have skated for one season thus far; at that time, I didn't especially save the rubber, and I flew into the pits. There were also starts uphill with a slide, as well as maneuvering at high speeds. The spring of each wheel was missing precisely one spike, and each wheel had a problem. Somewhere over the course of the winter, the imprinted disk became a bit less audible, but the sidewall of the tire shows no signs of it at all! There are no wounds, hernias, or cracks anywhere on the body. I was See full review