Carbon Steel Cush Drive Input Shaft+Alu 7075 Mount+Bearing Set For X-Maxx 8SOriginal part No7786XPart locationMotor driving gear positionProduct major functions & usageThree point support is more stableMajor advantages of upgrading to this part/product(1) The original large tooth gear accessory group is compatible with this installation. (2) The upgraded medium carbon steel large gear shaft, bearing and aluminum 7075-T6 fixed seat bring out three-point support, which is better than the original two-point support in stability and transmission effect. Package includesCush Drive Input Shaft-1pcsBearing 4x9x4-1pcsshim 6x10x0.8-1pcsWhite rubber ring-1pcsAluminum 7075-T6 Mount-1pcsSuitable Model1/5 X-Maxx 8S Monster Truck77086-4