8pcs Main Gears for Align T-rex 450 CopterX Compatible Compatible 450 Pro Sport Main Shaft Feathering Shaft US Trex 450 Helicopter compatible Slant Thread Main Drive Gear 121T 4Pcs Compatible 3xL Tail boom, Main Shaft T-rex 450 347mm US 4X White New Main Drive Gear Compatible for All Align T-REX 450 TREX SE V2 [...]
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