Description::

●Compatible Devil 450 Pro.
●Better able to protect the main rotor Holder.
●extended design, Lock nut Hex more efficient main rotor holder fixed

Upgrade method:

●Main rotor holder will be Original within the bearing (4x8x3) to replace the bearing (3x8x3).
●Original V2 will replace the new Rubber Damper
●replace the Feathering Shaft
●replace the Feathering Shaft aluminum collar
●need two hexagonal socket screws / 5.0 BOX replace .

Packaging:

●Feathering Shaft x 3
●Locking nut(M2.5) x 2
●Aluminum collar x 2