This is a great replacement for the 500 class helicopter.
500 Class Metal Tail Holder & Rotor Assembly (Torque Tube Version)
500 Class Carbon Tail Support Rod
500 Class Tail Boom (Belt Version)
Align Trex 500 Rc Helicopter Tail Boom Supports
500 Class DFC Main Rotor Head Assembly
500 Class DFC Main Blade Grips / Holder