3D printed foam structure for ideal comfort. Carbon reinforced shell. 130mm: 208g; 142mm: 219g. 3rd party web sales (eBay, Amazon, etc.) are strictly prohibited by the manufacturerItem Specifications: Rails, CrMo, Top, 3D Matrix TPU, Color, Black, Size, 242×142, Model Name, Sagma 3D Lite, Weight, 262g,.