This is the Radio Controlled, Electric Powered, 1/10 scale Agrios 4x4 Monster Truck Kit. Chassis: TXT-2, resin covered aluminum shaft side frames fitted with black aluminum panels Drive: Four wheel shaft Motors: Two 540 brushed with 19T pinions Suspension: Four link rigid Differentials: Bevel gear Wheels: One-piece plastic with silver colored finish Tires: 3.2" (82mm) wide, 5.9" (151mm) diameter with foam inserts Body: Clear untrimmed 0.047" (1.2mm) thick polycarbonate Shocks: Eight plastic body oil-filled Agrios 4x4 Monster Truck Kit, two 540 brushed motors, clear body, tires, foam inserts, wheels, decals and instruction manual Radio: 2-channel with high torque steering servo ESC: Tamiya TEU-106BK Twin Motor ESC Battery: 7.2V NiMH stick pack with standard connector, at least 2500mAh to power the twin motors Battery Charger: Compatible with selected battery Building and track equipment Vehicle; Length: 20.08" (510mm) Width: 13.54" (344mm) Height: 11.10" (282mm) Body; Length: 19.5" (497mm) Width: 8.5" (216mm) Height: 4.5" (115mm) To paint body to match photos on box, order the following Tamiya Colors; PS-15 Metal Red, TAMR8615 PS-5 Black, TAMR8605 For Replacement or to Upgrade to Ball Bearings use: Qty. Size Location Qty. Bearing Set 4 5x11mm Gearbox 2 DTXC1547 1 6x11mm Gearbox 1 HPIC2599 4 5x11mm Drive Gear 1 DTXC1547 2 5x8mm Drive Gear 1 DTXC1523 2 6x12mm Drive Shaft 1 DTXC1569 4 6x12mm Rear Uprights 1 DTXC1569 4 6x12mm Front Uprights 1 DTXC1569 jxs 05/17/13 ir/jxs &