Align H45156QA Slant Thread Main Drive Gear/121T

●Use for T-REX 450 Series. , T-REX 470
●Must with:H45157, H45159, H45160, H45161, Motor Pinion Helical Gear
●New style high strength 121 tooth Mod 0.6 helical main hear for 450 size helis. The increase gear pitch can withstand higher power, at the same time minimize operational noise. A great upgrade to withstand the modern high power system.
●Utilizes high strength polymer plastic with excellent rigidity and flexibility characteristics.
●Patented unique built in fan design to create induced air flow, effectively cooling electronics and motor.
●Gear ratio 1:10.08.

●CNC M0.6 Slant Thread Main drive gear (121T) x 3
●Weight:35.3g