This is the Electric Powered, Radio Controlled, 1/10 scale Bush Devil II Off-Road Truck Kit from Tamiya. Chassis: WT-01 reinforced polycarbonate monocoque Drive: Rear wheel Motor: 540 size brushed Electronic Speed Control: Tamiya TEU-104BK with reverse Suspension: Front and rear double wishbone Shocks: Friction (not oil-filled), plastic body Body: Clear polycarbonate Gearbox: Preassembled sealed type with bevel gear differential Tires: Treaded and spiked 5.1" (130mm) diameter, 2.3" (58mm) wide Wheels: Chrome finish plastic, 2.2" (56mm) diameter, 1.9" (49mm) wide, 12mm hex Caster/Toe-In: 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: Non-adjustable, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle Steering: Two adjustable rods with servo saver Bush Devil II Off-Road Truck Kit, Motor, ESC, Clear Body, Decals 18T Pinion Gear, Tires, Wheels and Instruction Manual Radio: 2-channel with standard steering servo AA Batteries: Eight for transmitter Battery: 7.2V 6-cell stick pack with Standard connector Battery Charger: Peak type recommended Building and track equipment Vehicle- Length: 17.4" (443mm) Width: 12.2" (310mm) Height: 10" (254mm) Body- Length: 15.6" (396mm) Width: 6.7" (171mm) Height: 4.4" (112mm) For Replacement or to upgrade to Ball Bearings use: Qty. Size Location Qty. Bearing Set 2 5x11mm Rear Axles 1 DTXC1547 4 5x11mm Front Axles 2 DTXC1547 2 5x11mm Counter Gear 1 DTXC1547 5 5x11mm Transmission 1 DTXC1547 jxs 04/12/12 ir/jxs &