This is the Electric Powered, 2.4GHz Radio Controlled, 1/8 Scale, Ready to Run WR8 Flux Ken Block Ford Fiesta Rally Car from HPI. FEATURES: Chassis: 0.12" (3mm) thick silver anodized aluminum with composite front and rear braces and plastic side dirt guards Drive: Four wheel shaft Radio: HPI TF-40 2.4GHz 3-channel with steering and throttle end point adjustment, trim and dual rates, fail safe and SF10W waterproof analog steering servo Motor: Flux Vektor 4000kV brushless ESC: Flux Vapor Pro with reverse, cooling fan and fully programmable with the #100573 Castle Link USB Programmer, HPIC0573 (not included) Differentials: Three, adjustable bevel gear type, oil filled Shocks: Oil-filled, composite body with rear mud guards Suspension: Front and rear sway bars, composite lower suspension arms and solid upper links Tires: Scale Michelin Tarmac Rally, 1.4" (35mm) wide, 3.1" (80mm) diameter Wheels: Tarmac Spec plastic 1.4" (35mm) wide, 2.2" (56mm) diameter, 12mm hex size Ball Bearings: Full set Pinion Gear: 15 tooth Spur Gear: 46 tooth composite Body: Trimmed and painted white with all sponsor decals applied Bumper: Front foam with plastic raised skidplate that allows car to slide over objects in the road 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 camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle Warranty: 2-year limited through manufacturer, valid only in USA, Canada and South America INCLUDES: HPI RTR WR8 Flux Ken Block Ford Fiesta Rally Car with 2.4GHz Radio System, ESC, Brushless Motor, Body, 4 AA cells for Transmitter and Instruction Manual REQUIRES: LiPo Battery: 2-3S LiPo with at least 25C rating and 3500mAh and Deans Female plug Battery Charger: Compatible with selected battery LiPo Charging Bag Building and track equipment SPECS: Vehicle- Length: 19.1" (485mm) Width: 8.9" (227mm) Height: 6.8" (172mm) Wheelbase: 11.8" (300mm) Body- Length: 18.9" (480mm) Width: 8" (203mm) behind front wheels, narrowest point 9.1" (232mm) at rear wheels, widest point Height: 6" (153mm) COMMENTS: For Replacement Ball Bearings use: Qty. Size Location Qty Bearing Set 4 5x10mm Front Hubs 2 DTXC1535 4 5x8mm Rear Hubs 2 DTXC1523 6 10x15mm Differentials 3 DTXC1595 2 5x10mm Front Diff Case 1 DTXC1535 2 5x10mm Rear Diff Case 1 DTXC1535 jxs 10/10/12 ir/jxs