Traxxas XO-1 AWD RTR 1/7 Supercar w/Li-Po Batteries 50+mph out of the box, 100+ with optional, included accessories Mamba Monster Extreme electronic speed control with integrated capacitor bank Exclusive Traxxas/Castle Creations Big Block 1717 brushless motor Functional aerodynamics package with standard and high downforce splitters, chassis extensions, and diffuser TQi 2.4GHz High-Output radio system with Traxxas Link Model Memory and factory installed TQi Docking Base Splined Steel (SS) driveshafts with dual CV joints Oversized 6mm stub axles E