Traxxas RTR 1/10 Monster E-Maxx Brushless MMM 2.4GHz with 2 7-Cell Batteries Castle Creations Mamba Monster Brushless System, Up to 25.2 Volts of Massive Brushless Power, Traxxas Power Cell Batteries Included Heavy-Duty 17mm Hex Hubs, Aggressive 6.3 Maxx-Sized tires, Black-Chrome 3.8 Split-Spoke wheels Traxxas TQ 2.4GHz Radio System, Four-Channel micro receiver New body design and graphics Top Speed: 50+mph out of the box, 65+mph all-out