This is the glow powered, 2.4GHz radio controlled, ready to run 1/8 scale Trophy 3.5 Rallycross Buggy from HPI. FEATURES: Chassis: 6061 aluminum 0.12" (3mm) thick with front and rear metal rod braces Drive: Four wheel shaft, with steel outdrives and axles Engine: HPI Nitro Star F3.5 .21 cu in, 2.5hp race legal, pull starter two-stage air filter with splash guard to prevent engine from getting flooded with water in wet conditions, composite 2-needle carb, ABC construction and large heatsink for efficient heat dissipation Radio: 3-channel 2.4GHz with end point adjustment, servo reversing, steering dual rate, failsafe and waterproof servos for steering and throttle Radio Tray: Low profile aluminum Fuel Tank: 5.4oz (160cc) Differentials: Bevel Gear type with four internal gears for increased durability Shocks: Oil-filled aluminum body Shock Towers: 6061 aluminum Brake: Dual drilled steel discs with fiber brake pads Suspension: Extra long arms for greater stability and thick suspension pins for greater resistance against crash damage Spur Gear: 46 tooth steel Steering: Bellcrank type with cast aluminum knuckles and servo saver Body: Painted and trimmed, black rear wing Bumpers: Front plastic Wheels: Seven spoke black in color, 1.6" (42mm) wide, 3.1" (80mm) diameter Tires: Team HB Proto with large lugs for high traction, 1.6" (41.8mm) wide, 3.1" (79mm) inner diameter Ball Bearings: Full set 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: Adjustable front and rear, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle Warranty: Two year limited, valid only in the USA, Canada and South America INCLUDES: RTR 1/8 scale Trophy 3.5 Rallycross Buggy, .21 cu in Engine w/Pull Starter, Body, Decals, 3-channel 2.4GHz Radio, Instructions and eight AA batteries REQUIRES: Glow Fuel: Car blend with 10-20% nitro content Glow starter Building and track equipment SPECS: Vehicle- Length: 20.4" (518mm) Width: 11.8" (300mm) Height: 7.1" (180mm) Track: 11" (280mm) opposite edges of tires, side-to-side Body- Length: 14.2" (360mm) Width: 8.5" (215mm) Height: 3.5" (89mm) COMMENTS: For replacement or to upgrade to ball bearings use: Qty. Size Location Qty. Bearing Set 2 5x10mm Clutch 1 DTXC1535 3 8x16mm Fr Diff 2 DTXC1585 3 8x16mm Rear Diff 2 DTXC1585 3 8x16mm Center Diff 2 DTXC1585 2 8x16mm Rear Gearbox 1 DTXC1585 2 8x16mm Front Gearbox 1 DTXC1585 4 8x16mm Rear Hubs 2 DTXC1585 4 8x16mm Front Hubs 2 DTXC1585 4 6x10mm Steering 2 DTXC1561 jxs 09/20/11 ir/jxs