Instruction:
- Use for T-REX 450PRO.
- Utilizes newly developed, highest spec and superior anti-wear material to increase the overall strength and durability for torque tube drive gear. Effectively minimize gear striping and crash damage.
- Must with HS1298 450V3 Torque Tube Drive Assembly
H45038A Metal Tail Torque Tube Unit
H45186 New Tail Torque Tube Unit

Specification:
- Tail rotor shaft assembly x 2
- Long umbrella gear x 2