Adjustable Gear Ratio YesBearings Plastic bushingBody Material PolycarbonateBody Stickers IncludedChassis Material ABS PlasticChassis Type TT-02Construction Type Assembly KitDifferential Type GearDrive Type 4WDElectronic Speed Control (esc) Includes HobbyWing THW 1060 Brushed Motor ESC (2-3S)Motor 540-brushed typeRequired To Complete 2-channel radio, steering servo, 7.2-7.4volt battery & battery charger, and Tamiya PS paint.Scale 1/10Shock Damper Friction typeSuspension Fully Independent Double WishboneTerrain Use On-RoadLength: 450mm, width: 187mm, height: 136mmWheelbase: 257mmTire width/diameter: 27/67mm (front & rear)Bathtub-type frameShaft-driven 4WDFront/rear 4-bevel plastic differentials3-piece steering tie-rod4-wheel double wishbone suspensionFront/rear friction dampersGear ratio = 8.27:1 (9 further ratios from 11.38:1 to 7.28:1 possible with use of separately-sold pinions)Type 540 motorElectronic Speed Controller (ESC) is sold separately.