Description:: ●Compatible T-REX 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 ●SE Damper Rubber 80° x 2 ●Bearing(3x8x3) x 4
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