Powerslide Swell in-line skates are designed for all fitness riders. The line of skates was designed to create high quality and powerful roller skates especially for intense fitness training. Skates will make you feel great, but the skates also look good. Swell skates are easy to use, you can trust them. The materials used in the production are very durable, the skates have an anatomically shaped shell. Chassis: AL Unity 3x110mm Castors: Powerslide Infinity 110 / 86A Bearings: WCD ABEC 9 FS, 608 Brake: HABS