1.CE standard 2.professional ice speed skate 3.7000 Aluminum tube 4.bimetal steel blade Professional ice speed skate-Long trackspecification:1.microfiber leather upper2.heatmouldable carbon shell3.7000 series aluminum tube,can do any color.4.bimetal steel balde,60-64 HRC5.double springPicture: HOT!long track ice speed skate,ice skate,inline speed skate,PU wheel