... technology...Using the same Angled Wheel Technology,our land roller could bring you:GREATER STABILITY: Over cracks, rough ... the heel brake.SMOOTH, CHATTER-FREE RIDE: The large wheels provide an incredibly smooth ride - increasing the ... MG materialPedestal: High intension aluminum+MG material.Carrrying Capacity: 150kgs.Size: 38, 39, 40, 41, 42, 43, 44, ... 11/9kgs the newest 38 to 45 size LAND ROLLER SKATE