●Using new Main rotor holder with thrust bearing and 4mm Feathering shaft, features smooth rotation and stability under high rotation speed.
●New metal head stopper.
●High precise bearing structure and high rigid CNC processes aluminum alloy material, and therefore this refitting component is absolutely helpful for the accuracy of flying movement control and the stable of the flight.

Includes:
●Metal main rotor housing set x 1
●Metal head stopper x 1
●Screw x 1(M2x6mm)
●Pin x 2(Φ1.5x18.7mm)
●Aluminum collar x 2(Φ4xΦ5.6x1.5mm)
●Damper Rubber x 4(Φ4xΦ6.5x2mm)
●Washer x 2(Φ5.5xΦ8x0.3mm)
●Stainless steel linkage ball x 2(Φ4.75xΦ4.59mm)
●Cross screw x 2(M2x6.5mm)
●Metal main rotor holder x 2
●Thrust Bearing F3-8M x 2(Φ3xΦ8x3.5mm)
●Bearing MR74ZZ x 2(Φ4xΦ7x2.5mm)
●Bearing MR84ZZ x 2(Φ4xΦ8x3mm)
●Feathering shaftx 1(Φ4x41mm)
●Washer x 2(Φ2xΦ6x0.6mm)
●Screw x 2(M2x6mm)
●Screw x 1(M2x12mm)
●M2 nut x 1

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