* Use for T-REX 450.
* 450V3 Tail Drive Gear Assembly x 1(16.8x30.4mm)
* 450V3 Front long umbrella gear x 1(6x10.8x17.85mm)
* 450V3 Front short umbrella gear x 1(2.7x10.8x6.7mm)
* Bearing MR83ZZ x 2(3x8x3mm)
* Socket button head screw x 1(0#x3mm)
* Washer x 1(1.5x5x0.3mm)