KL Skate Professional Inline Speed Skate, Racing Inline Skate Size 30-46 Upper material: Micro leather with 1 layer carbon and 6 layers glassfiber shell Frame: KL-Bat 7000 aluminium series 4*100mm Wheel: SHR 100mm*24mm hardness 85A / Bearing: 608RS-7 Spacing: 165mm Size: 30-43