Slant Thread Main Drive Gear/121T (Black) : H45156QAT

Use for T-REX 450/470 Series.

Must with:H45157 Motor Pinion Helical Gear 12T.

New style high strength 121 tooth Mod 0.6 helical main hear. 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 10.08:1.

Slant Thread Main Drive Gear/121T x 3 (M0.6/121T)