roller skates NILS EXTREME NA 14169 A are suitable for recreational riding on hard and flat surfaces. The blade of the skate is made of aluminium and is equipped with 82A PU wheels with ABEC 9 bearings. The semi-soft shoe is equipped with ventilation holes for increased riding comfort. The liner is contoured, breathable and can be adjusted to four sizes. The fastening is a classic triple combination (two-section buckle, belt with Velcro and lacing). Model NA 14169 A is designed for beginners and intermediate skaters. However, the chassis is equipped with one extra mounting hole, which allows you to replace the 4 supplied wheels with 3 PU wheels with a diameter of 100 mm (not included) and the skates become suitable for advanced and experienced riders.