This is an optional Align 550 Flybarless Three-Blade ...
Rotor Head System, suitable for all T-Rex 550 Models. Upgrading to a Three-Blade Rotor Head offers pilots an even broader ranger of set up possibilities, and unique flying characteristics. Main benefits are ...
the Blade 230S. It includes all the parts to be nearly bolt on and ready for flight. It is suggested to double check the spindle bolts for threadlock, and bearings for grease ...