1Mainly used to change the engine speed and torsion, improve the performance of the car. 2The front gearbox, lower and rear shock absorption design, can avoid cutting the protective guard when installing for Wrangler of hard shell and maintain the internal integrity. 3Easy to install and disassemble, can directly replace old or damaged parts. 4Made of high quality materials, fine workmanship, easy to install, improve product performance. 5Stable gearbox system, 313mm wheel base, used for 1/10 RC crawler. Condition: 100% Brand NewItem Type: RC GearboxMaterial: MetalColor: As shown in the pictureSize: Approx. 73x66x53mm / 2.9x2.6x2.1inCompatibility: Fit for 1/10 Crawler Car 313mm Wheelbase Metal Chassis FrameQuantity: 1pcsGear Ratio of Gearbox: 1:8Gear Ratio of Transfer Case: 1:1.2 1 x RC Gearbox4 x Screw1 x Wheel Gear 1.Pleaseallow13mmerrorduetomanualmeasurement.Thanksforyourunderstanding.2.Monitorsarenotcalibratedsame,itemcolordisplayedinphotosmaybeshowingslightlydifferentfromtherealobject.Pleasetaketherealoneasstandard.