This is the 1/10 scale, electric powered, radio controlled Wolf WR1 On-Road Racing Car kit from Tamiya. FEATURES: Chassis: F104 0.12" (3.2mm) thick FRP lower deck, 0.08" (2mm) lower deck Drive: Two wheel direct with stainless steel rear shaft Motor: 540 type Differential: Ball type with resin housing Ball Bearings: Full set Body: Clear, polycarbonate Bumper: Front, resin Steering: Isometric steering rods links with longitudinally mounted steering servo position Suspension: Front, kingpin coil with spacers for ground clearance adjustment, F103 suspension arms to replicate the wide body dimensions, Rear, T-bar with carbon friction plate and friction shock Tires: Racing slicks, Front; 2.2" (55mm) diameter, 0.94" (24mm) wide Rear; 2.6" (65mm) diameter, 1.8" (47mm) wide Wheels: Black plastic, Front 1.4" (36mm) diameter, 1.1" (28.5mm) wide Rear, 1.4" (36mm) diameter, 1.7" (42.5mm) wide 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: Non-adjustable INCLUDES: Tamiya F104 Wolf WR1 On-Road Racing Car kit, tires, wheels, motor, 04 module spur gear, decals, body, shock oil, instruction manual, rear shock, foam inserts and 25 tooth pinion gear REQUIRES: Radio: 2-channel, small ESC and receiver recommended, standard servo Radio Batteries: Eight AA ESC: Brushed motor compatible Battery: 6-cell stick pack with Tamiya type connector Battery Charger: Peak type recommended Building and track equipment SPECS: Vehicle- Length: 18.2" (463mm) Width: 8.1" (205mm) Height: 4.1" (104mm) Weight: 28.2oz (800g) Body- Length: 13.5" (343mm) Width: 6.1" (154mm) at widest point Height: 3.4" (86mm) COMMENTS: For Replacement Ball Bearings use: Qty. Size Location Qty. Bearing Set 2 6x10mm Rear Shaft 1 DTXC1561 2 8x12mm Ball Diff 1 DTXC1581 1 5x11mm Diff Housing 1 DTXC1547 4 5x10mm Front Wheels 2 DTXC1535 4 5x10mm Rear Wheels 2 DTXC1535 To paint model to match color scheme on box, the following Tamiya colors can be used; Dark Blue TAMR8402 Flat White TAMR8415 Flat Flesh TAMR8401 Flat Black TAMR5026 Pure White TAMR8632 Corsa Gray TAMR8605 Black TAMR8601 White jxs 08/02/10 ir/jxs