Total length: 630mm Total width: 186mm Clearance: 19mm Weight Fully-Equipped: about 3,1kg (without multi function unit) Wheelbase: 476mm Tread F/R: 156/138mm Chassis Material: Aluminum and polycarbonate plastic Chassis Shape: Ladder Type Frame Suspension: Front and Rear Rigid Axle w/Metal Leaf Springs Caster Angle-F/R: 0deg/0deg Camber Angle-F/R: 0deg/0deg Toe Angle-F/R: 0deg/0deg Damper: F/R Aluminum Dummy Dampers Drive train: 2-axle Transmission: 3-gear transmission (gear shifting operated via transmitter) Gear Ratio: 1st gear 32.49:1, 2nd gear 17.76:1, 3rd gear 10.66:1 Diff. gear system: F/R Bevel Gear Diff Motor: RS540 (standard in the kit) Tire Width: F/R both 22mm Tire Diameter: F/R both 88mm Requires eight R6/AA/UM3 batteries for transmitter (sold separately).