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Use for T-REX 550E PRO.
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Brand new M1 motor helical pinion with Stainless steel material. This high strength and high rigidity characteristics can help to increase wear resistance and longevity.
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Must with 550E PRO Motor Mount (H55B002XXW)
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550E PRO Carbon Fiber Main Frame-2.0mm(H55B003XXW)
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730MX Brushless Motor (850KV)(HML73M01)
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Motor Pinion Helical Gear 16T x 1
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M4 set screw x 2
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