Instruction:
??Use for T-REX 500.
Specification :
??Tail rotor shaft assembly x 1(?³4x?³4.6x61.75mm)??Rear long umbrella gear-25T x 1(?³18.5x?³8x25.4mm)
Looks Good,Thrust Bearings too!! Lightweight!!!
All-in-one, all for your Heli needs Optical Tach + Whatt meter + servo tester + temp + Batt tester
