This is the 2.4GHz radio controlled, glow powered, ready to run, 1/8 scale Thunder Tiger EB-4 S2 Pro Version Competition Buggy with Blue Body. FEATURES: Chassis: 0.12" (3mm) thick 6061 aluminum with front and rear stiffeners and composite side guards Drive: Four wheel shaft Engine: Thunder Tiger Pro-21BX-R with pull starter, glow plug, air filter, slide valve carb and polished aluminum tuned pipe Radio: Cougar P3 3-channel IFHss system with metal gear steering servo Shocks: Oil-filled large volume aluminum bodied Shock Towers: 0.12" (3mm) thick aluminum Differentials: Planetary type Fuel Tank: 4.2oz (125cc) Brake: Single disc Body: Trimmed and painted with blue color scheme, molded plastic rear wing Clutch Three-shoe Clutch Bell: Steel 14 tooth Main Gear: Steel 46 tooth Tires: Rectangular pin 1.6" (40mm), 4.3" (110mm) diameter, with foam inserts Wheels: 16-spoke, black in color 1.6" (40mm) wide, 3.1" (79mm) diameter Caster: Front and rear adjustable, caster/toe-in refers to the angle of the suspension when viewed from the side of the car in relation to the chassis Camber: Adjustable front and rear, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle INCLUDES: Thunder Tiger EB-4 S2 Pro Buggy with .21 Engine, 2.4GHz 3-channel Radio, Throttle Servo, Metal Gear Steering Servo, Painted Body, Rear Wing and Instruction Manual REQUIRES: Fuel: 20% lubricant and 10-30% nitro content, synthetic/castor blend lubricant recommended (do not use more than 10% nitro content for break-in) AA Batteries: 12, eight for transmitter and four for battery box Building and track equipment SPECS: Vehicle- Length: 15.5" (394mm) Width: 8.8" (224mm) Wheelbase: 12.4 - 12.6" (315mm - 320mm) Weight: 6.8lbs (3100g) with engine, tuned pipe and servos Front Caster: Adjustable from 18° - 25° Rear Toe-In: 1°, 2° or 2.5° Front Track: Adjustable from 11.6 - 12.6" (295 - 320mm) Rear Track: 12" (300mm) distance from outer edges of wheels side-to- side Body- Length: 15.1" (385mm) Width: 8.3" (211mm) Height: 4" (102mm) COMMENTS: For replacement or to upgrade to ball bearings use: Qty. Size Location Qty. Bearing Set 4 Fr Universals Bushing size not given 4 Rear Universals Bushing size not given 2 8x16mm Spur Gear Assembly 1 DTXC1585 4 8x16mm Fr Diff Assembly 2 DTXC1585 4 8x16mm Rear Diff Assembly 2 DTXC1585 2 Clutch Bell Bearing size not given jxs 04/22/11 ir/jxs