This is a good replacement for your 500 class Helicopter
Align Trex 500 Rc Helicopter Torque Tube Gear Tail Boom Mount With Gears
Align Trex 500 Rc Helicopter Tail Boom Supports
500 Class Metal Tail Holder & Rotor Assembly (Torque Tube Version)
500 Class Plastic Tail Blade (76mm from bolt hole)
500 Class Carbon Tail Support Rod
Carbon tail pipe supports tail boom rc øint 10 - øint 12 - øint 14
