The Powerslide Phoenix 125mm SD Medium (84A) wheels have revolutionized the single density (SD) wheel market. Made in Germany with the highest developed PU the chemical industry can offer. Single density wheels do not utilize inserts or flexbands, as the PU has been developed to be grippy responsive. The Phoenix core offers the ultimate roll and platform for long lasting top performance. Perfect shape and radius to control and push and lots of fresh PU to wear down and enjoy the skate of your life. The Phoenix SD wheels find the perfect balance between great value and exceptional performance. Phoenix SD 125mm wheels are available in Hard (86A).