K2 SPORTS Men&#39;s Moto 84 Inline Skates (9) The unmatched comfort of the K2 Softboot NEW Freedom cuff that is lightweight and sculpted for speed and comfort Die Cast Aluminum frame: Medium length energy transferring frame is more efficient with the added stability of aluminum 84mm 80A wheels/Max size 90mm, ILQ7 Berarings for a great coupling of speed and smoothness