This is the 1/12 scale, electric powered, radio controlled, ready-to-run 4WD HPI Wheely King Monster Truck. FEATURES: Chassis: TVP (Twin Vertical Plate) plastic tube frame design with rear wheelie bar Drive: Four wheel Motor: 27 turn Radio: HPI TF-11 2.4GHz pistol grip Battery: 7.2V, 2000mAh NiMH 6-cell stick pack with standard connector Battery Charger: 120V wall type, charges in six hours Ball Bearings: Full set included Shocks: Four plastic bodied Transmission: Single speed Suspension: Front and rear solid axles with pivot arms, 6" (152mm) of suspension travel for all-terrain driving Wheels: Chrome 2" (51mm) diameter, 2.2" (56mm) wide Tires: 5.4" (137mm) diameter, 2.75" (70mm) wide Mud Thrasher Body: Prepainted and trimmed with decals Caster: Non-adjustable Camber: Non-adjustable Warranty: Two year limited INCLUDES: HPI Wheely King Monster Truck with motor, painted body, 2.4GHz radio, ESC, 27T motor, 90T spur gear, 21T pinion gear, 6-cell stick pack, wall charger, instructions and AA batteries for transmitter REQUIRES: Track equipment SPECS: VEHICLE- Length: 17" (432mm) Width: 11.7" (297mm) Height: 10" (254mm) Weight: 4.4lb (2015g) Wheelbase: 9.4" (239mm) Front and Rear Tread: 9.1" (231mm) side-to-side at wheel centers Front and Rear Track: 11.5" (292mm) side to side at outer edges of wheel Ground Clearance: 2.2" (55mm) at lowest point Suspension Travel: 6" (152mm) BODY- Length: 14.75" (375mm) Width: 5.3" (135mm) behind front wheels narrowest point Width: 6" (153mm) at rear wheels, widest point Height: 4.4" (113mm) COMMENTS: For Replacement Ball Bearings use: Qty. Size Location Qty. Bearing Set 4 5x11mm Front Wheels 2 DTXC1547 4 5x11mm Rear Wheels 2 DTXC1547 4 5x11mm Gearbox 2 DTXC1547 2 10x15mm Gearbox 1 DTXC1595