●600 carbon fiber tail boom x 1(Φ20.3xΦ21.5x625mm).
Align T-Rex 250 Tail Boom/Black H25030T-00
Copter X 450 CX450Pro Carbon Fiber Tail Fin Set for RC Model Helicopters
ALIGN TREX 600 / 550 ALLOY TAIL ROTOR SPINDLE ASSEMBLY & PITCH CONTROL YOKE
Clone 450 Belt Drive Carbon Fiber Frame compatible with Align 450 PRO DFC
ALIGN 600 TAIL BOOM MOUNTING WITH GEARS
ALIGN TREX 450 PRO RC HELICOPTER WITH CARBON FIBER GIMBAL AND METAL UPGRADES