700 M1 upgrade gears assembly HN7021A
●Use for T-REX 700 Nitro Pro. | ●CNC Main Drive Gear/115T x 1 ●M1 Autorotation tail drive gear/104T x 1 ●M1 Engine gear /14T x 1 ●M1 Front drive gear assembly x 1 ●Short umbrella gear/24T x 1 ●700N Clutch nut x 1 |