Tamiya brand Electric Powered, Radio Controlled, 1/10 scale Suba. Impreza WRX STI XV-01 Rally Car Chassis Kit from Tamiya. FEATURES: Chassis: Molded plastic with front and rear wheel well liners for protection against mud Drive: Four wheel reinforced belt drive Motor: 540 size brushed Differentials: Bevel gear Steering: Long tie-rod system to reduce bump steer, high torque servo saver Suspension: Double wishbone, reversible rear suspension for off-road driving and toe angle setting changes Ball Bearings: Full set Shocks: CVA oil-filled plastic body Battery Access: Hatch on underside of chassis Tires: Rally block 1.02 (26mm) wide, 2.6 (65.4mm) diameter with foam inserts Wheels: 16 spoke white plastic, 1 (25.4mm) wide, 1.9 (48mm) diameter, 12mm hex Camber: Adjustable, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle Caster: Adjustable, front and rear caster/toe-in refers to the angle of the suspension when viewed from the side of the car in relation to the chassis Body: Clear untrimmed polycarbonate Bumper: Front, urethane foam Spur Gear: 68 tooth plastic Pinion Gear: 22 tooth steel YOU WILL RECEIVE: XV-01 Pro Chassis Kit with Shocks, Shock Oil, Tires, Foam Inserts, Wheels, Decals, Spur Gear, Pinion Gear, Clear Body and Instruction Manual REQUIRES: Radio: 2-channel with high-speed steering servo ESC: For 540 size brushed motor, must handle at least 23 turn motor Battery: 7.2V 6-cell stick pack with Standard connector Building and track equipment SPECS: Vehicle- Length: 15.1 (384mm) Width: 7.3 (185mm) Wheelbase: 10.1 (257mm) Body- Length: 17 (432mm) Width: 7 (178mm) Height: 4.1 (105mm) COMMENTS: For replacement, Ball Bearings use: Qty. Size Location Qty. Bearing Set 2 10x15mm Fr Diff 1 DTXC1595 2 10x15mm Rear Diff 1 DTXC1595 2 4x8mm Idler Gear Shaft 1 DTXC1511 1 4x8mm Counter Gear 1 DTXC1511 1 5x10mm Counter Gear 1 DTXC1535 2 4x8mm Middle Shaft 1 DTXC1511 4 5x8mm Steering 2 DTXC1523 2 5x10mm Front Arms 1 DTXC1535 2 5x10mm Rear Arms 1 DTXC1535 jxs 08/28/12 ir/jxs