Speed Lacing - Secures skates with one pull making it easy to put on and take off MOD 110 Dual Density Cuff - Anatomical low profile cuff with 2 materials providing both stiffness and flexibility. MOD 110 Extruded 6000 Series Frame - Extruded & Machined 6061 aluminum; 2 bolt mount (180mm or 195mm mounting), for 4x110 wheels. ILQ 9 Pro Bearings - The tightest tolerance, best precision, and most efficient glide 110mm 85A Wheels