Trex 550 Mikado Conversions: There are no current Mikado Flybarless conversions for the Align 550E Heli. Align Conversion Parts List: H55007 Flybarless Metal Main Rotor Housing T-Rex 550 H55005 Flybarless Metal Main Rotor Holder T-Rex 550 HN6114QA Align T-Rex 600 Flybarless Swash Driv- ...