This is the radio controlled, electric powered, 1/8 scale 80% Preassembled NEXX 8 Off-Road Buggy Kit from Ofna. FEATURES: Chassis: Aluminum countersunk 0.12" (3mm) thick Drive: Four wheel shaft Shock Towers: Aluminum 0.12" (3mm) thick Motor Mount: CNC machined, E-Z change with spacer Differentials: Three oil-filled with tempered steel planetary gears Suspension: C-hub front, with adjustable roll center, shock position wheebase and anti-squat, front and rear adjustable sway bars Shocks: Oil filled 16mm super big bore, hard coated with 3.5mm shafts and dust boots Spur Gear: Composite construction, 46 tooth Tires: Square lugs in groups of three 1.69" (43mm) wide, 4.3" (109mm) outer diameter with foam inserts Wheels: Dish type, white in color 3.31" (84mm) diameter, 1.69" (43mm) wide, .47" (17mm) hex Ball Bearings: Full set Battery Boxes: Saddle style molded plastic with Velcro straps Body: Clear lexan with white plastic rear wing Caster: Adjustable, caster/toe-in refers to the angle of the front suspension when viewed from the side of the car in relation to the chassis Camber: Adjustable, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle Steering: Bellcrank type with hard coated spring loaded servo saver and adjustable Ackerman, Ackerman refers to the inside front wheel turning faster that the outside front wheel during turns INCLUDES: 80% Preassembled NEXX 8 Off-Road Buggy Kit with clear body, rear wing tires, foam inserts, wheels, decals and instructions REQUIRES: Radio: 2-channel with one high-torque servo for steering and one standard servo for throttle AA Batteries: 8 for transmitter Motor: Modeler"s choice, brushless motor recommended for best performance ESC: Compatible with selected motor Battery: 7.4V hard case LiPo Battery Charger: LiPo compatible Misc. Items: Lexan safe paint, building and track equipment SPECS: Vehicle- Length: 16.1" (409mm) Width: 4.9" (125mm) Height: 3.75" (95mm) Weight: 5.5lbs (2500g) Wheelbase: 13.25 (335mm) Body- Length: 14.25" (362mm) Width: 5.15" (131mm) at widest point Height: 3.46" (88mm) COMMENTS: For Replacement Ball Bearings use: Qty Size Location Qty Bearing Set 4 8x16mm Front Wheel Hubs 2 DTXC1585 4 8x16mm Rear Wheel Hubs 2 DTXC1585 2 8x16mm Front Gearbox 1 DTXC1585 2 8x16mm Rear Gearbox 1 DTXC1585 4 8x16mm Front Differential 2 DTXC1585 4 8x16mm Center Differential 2 DTXC1585 4 8x16mm Rear Differential 2 DTXC1585 jxs 11/09/10