Features:Full BearingCVD Drive ShaftCarbon Fiber Chassis, Upper Deck and Shock TowerAluminum Motor MountAluminum Servo MountAluminum Center Drive ShaftAluminum Spur Gear HubAluminum ShocksAluminum 12mm Hex HubMetal Gear DifferentialFull TurnbuckleSpecifications:Drivetrain: Shaft Drive 4WDTrack Width: 166 mmWheelbase: 208-210 mmInternal Ratio: 2:47Gear Ratio: 4.56Tire Diameter: 55 mm