Detailed Description  What's new for the 16.8V E-Maxx RTR?  * Weather-sealed electronics  * Waterproof servos & ESC  * 4-Channel micro receiver  * All-new single speed transmission (2-Speed optional)  * Revo-Spec sealed pivot ball suspension  * Revo-Spec sealed differentials  * Revo-Spec sealed outer and center driveshafts  * All-new, low-CG chassis design  * Stronger chassis braces  * New transmission skid plate  * Scaleable battery compartments  * Snap-lock battery hold downs  * Dual-servo steering system  * Integrated servo saver  * Hex hardware throughout  * 3.8" mirror chrome Twin-Spoke wheels  * 3.8" Maxx chevron tires Specifications Length =20.4 inches (518mm) Front Track =16.4 inches (417mm) Rear Track =16.5 inches (419mm) Center Ground Clearance =4 inches (101mm) Weight =148oz (4.19kg) Height (overall) =9.8 inches (248mm) Wheelbase =13.2 inches (335mm) Front Shock Length =XXLong Rear Shock Length =XXLong Front Tires (pre-glued) =Maxx Chevron (5.75" x 3.8") Rear Tires (pre-glued) =Maxx Chevron (5.75" x 3.8") Front Wheels =3.8" Split-Spoke (chrome) Rear Wheels =3.8" Split-Spoke (chrome) Speed Control Type =EVX-2 Forward/Reverse/Brake Motor (electric) =Dual Titan 550, Fan Cooled (21-turn) Transmission =Single-Speed (2nd gear only) Overall Drive Ratio =18.67 (stock, out-of-box) Differential Type =Bevel Gear, Sealed, Limited Slip Gear Pitch =32-Pitch Chassis Structure/Material =Molded Composite Nylon Tub Brake Type =Electronic Drive System =Shaft-Driven 4WD Steering =Bellcrank Radio System =Traxxas TQ Top Speed =30+mph Skill Level =2 Required Batteries & Charger =8 "AA" (transmitter) Two NiCad or NiMH (stick) 7.2V or 8.4V Charger (6 or 7 cell)