Interesting Velcro, they still perform worse on ice than spikes, but there is a sense of resilience. They don't produce any noise at all, unlike studs, and they still ride nicely on slick roads. The advantage of studded wheels is vividly apparent only on a steep hill, where my Velcro failed. I didn't regret buying and installing them last year. But since it doesn't happen often, I'll pardon. decent tires.