●Pro T-REX 550E PRO / T-REX 550L.
●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.
●T-REX 550E PRO, must with 550E PRO Motor Mount (
H55B002XXW)、550E PRO Carbon Fiber Main Frame-2.0mm(
H55B003XXW)、730MX Brushless Motor(850KV)
(HML73M01)●Motor Pinion Helical Gear 16T x 1
●M4 set screw x 2(M4x4mm)