Clipless Body Tough reinforced bumpers Reinforced inner cage Rugged roof rollover protector Tailgate protector Quick and easy removal Holds tight for intense action Extreme Heavy Duty Upgrade Kit Installed Strengthened C-hubs, axle carriers, and steering blocks Maxx duty® driveshafts Oversize diameter 6 mm axles Steel wheel hexes TQi™ 2.4 GHz High Output Radio System Traxxas Link enabled 2.4 GHz 5-channel micro receiver (6533) with fail-safe security and integrated telemetry ports Automatically stores and loads settings for up to 30 Traxxas Link-enabled models—just switch on and drive, “model selection” is not required Multi-Function knob Patented waterproof receiver box with easy-access plug VXL-3s™ Waterproof Electronic Speed Control Cooling fan with large heat sink Three Programmable Drive Profiles: Sport Mode - Forward / Brake / Reverse Race Mode - Forward / Brake Training Mode™ - 50% Forward / Brake / 50% Reverse (patented) Traxxas EZ-Set® one-button setup Built-in two-stage low-voltage detection for LiPo batteries NiMH battery packs: 6-9 cells (7.2 to 10.8 volts) LiPo battery packs: 2-3 cells (7.4 to 11.1 volts) Velineon® 540XL Brushless Motor Long format brushless motor 4-pole 2400 kV 5 mm output shaft Precision-balanced rotor Brilliant blue-anodized finish Up to 60+ mph with 3s LiPo battery (sold separately) Traxxas Stability Management® Helps prevents spinouts and loss of control Adjusts from off to 100% assistance from the transmitter Chassis Modular composite tub design Secure battery hold-down latch Reinforced integrated wheelie bar High-approach bumpers Integrated nerf bars for side impact resistance Suspension Adjustable 4 mm steel toe and camber links HD suspension arms Oil-filled Ultra Shocks Rugged front and rear shock towers White powder-coated springs Steering Chassis-mounted 2075 servo Dual bellcrank design with integrated servo saver Drivetrain Full-time shaft-driven 4-wheel drive Torque-Biasing Center Drive™ absorbs shocks and distributes power evenly Oil-filled steel gear front and rear differentials Large 32-pitch steel spur gear Anodized-aluminum center driveshaft Wheels and Tires Large 2.8″ black chrome wheels Tall 5.3″ Sledgehammer® tires Sealed Ball Bearings Hex hardware with Rust-Resistant Black Oxide Coating