freestyle inline skate frame, speed skate frame inline skate frameProduct Name:Aluminum frame F454Features:1)Design for 2x80mm+2x76mm freestyle skate, 135-179mm/150/165mm mounting slot2)high intension model 6N01 or 7000series aluminum alloy,190g weight,9.41inch3)high accuracy for professional skating,double void inline skate Frame,roller skate,quad skate,PU wheel