Instruction:
-Suitable for T-REX 550L
-Must with 550FL Flybarless Rotor Head System(H55H002XXW)

Specification:
●550FL Main shaft x 2(Φ6x11.8x190mm)
●Socket collar screw x 2(M3x19mm)
●M3 nut x 2
●550 Main Shaft Gasket(0.3) x 1(Φ10.1xΦ14x0.3mm)
●550 Main Shaft Gasket(0.5) x 1(Φ10.1xΦ14x0.5mm)