Models Mamba Monster X 8S ESC 7 45 0 Mamba X ESC no fan 6 69 0 Castle 1717 1650KV motor 12 191 0 Sunny Robotics P6S Upgrade Kit 8 67 0 Castle Creations 1415 1Y Sensored brushless motor - 2400KV - 5MM Shaft 8 179 0 12lb combat robot weapon 9 51 0