Add some excitement into your life with the bored kyro skateboard wheels from force plastered with a multitude of activities throughout the frivolous face these are just a few examples of what pro rider aaron kyro gets up to when he gets some down time satisfy your boredom by doing eachother a favour in picking up a pack todaydimensionsdiameter 52mmmaterialsdurometer 99a polyurethanesold as a pack of 4 bearings sold separately