K2 Skate Women's VO2 Max 90 Inline Skates Original K2 Softboot This maneuverable frame that has enough length and stiffness to provide stability at the highest of speeds The Vortech cuff adds a stiffening shim to our proven Stability Plus design, the best of both worlds: maximum support and lightweight design Wheels/Bearings: 90mm, 80a/ILQ-9 Classic Plus Close your skates with one pull, its that easy. K2s speed lacing system makes it a breeze to get in and out of your skates