Instruction: • Use for T-REX 550E PRO. • 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. • Must with 550E PRO Motor Mount(H55B002XXW)?550E PRO Carbon Fiber Main Frame-2.0mm(H55B003XXW)?730MX Brushless Motor(850KV)(HML73M01)
Specification: • Motor Pinion Helical Gear 16T x 1 • M4 set screw x 2