Rollerblade Speedmachine 6 Women&#39;s Skate, Silver/Grn, Women&#39;s US 10 New fibertech shell provides an amazing lightweight transfer of all of your skating energy Alu Tech 4X90 frame for the power and torsional strength you need to drive bigger wheels Spiral 90mm/84A wheels with SG9 bearings for an effortless fast ride, comes with a brake on skate