Main Shaft & LT-REX metal main rotor holder features high precise double 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.ock Ring Set for T-REX 450XL Electric Helicopters.

??�??Weight:7g/pcs
??�??Main rotor holderx 2
??�??Aluminum collar x 2(????5x????3x1.5)
??�??Bearing MR63ZZ x 2(3x6x2.5mm)
??�??Linkage ball x 2
??�??Cross screw x 2(M2x6.5)
Prepared by user(seperately purchase):
??�??Bearing 693ZZ x 4(bearing from original)

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