550fl-main-shaft-set H55H003xxw550FL Main shaft x 2(6x11. 8x190mm) Socket collar screw x 2(M3x19mm) M3 nut x 2 550 Main Shaft Gasket(0. 3) x 1(10. 1x14x0. 3mm) 550 Main Shaft Gasket(0. 5) x 1(10. 1x14x0. 5mm) Suitable for T REX 550L Must with 550FL Flybarless Rotor Head System(H55H002XXW)

●Front drive gear assembly(21T/Modulus:1) x 1 (Φ5xΦ7

Main Rotor Holder * 1，MR148ZZ Bearing * 2，M4*25 Screw * 1，M4 Self-locking nuts * 1

●Linkage ball C(M3x4

The 3220HS comes with a kV rating of 960kV for 6S LiPo batteries and is the perfect choice for your 380 sized Evo

Use for T-REX 700E/800E

90% assembled by Align

the blades rigidity have been increased for better anti-torsion characteristics during flight

●700N Ball Link x 2(Φ5x20

Including tail drive gear assembly

•683ZZ Bearing（4PSC）

●Major design for 470L utilize longer tail rotor shaft to achieve more tail pitch

●Metal Main Rotor Holder x 1 ●Feathering thrust washer x 4 ●6800ZZ Bearing x 4 ●Linkage Ball A(M5x6) x 2 ●Socket Button Head Collar Screw(M5x32) x 2 ●Locking nut(M5) x 2