This is a replacement Align 12 Tooth Helical Motor Pinion Gear, and is intended for use with the Align T-Rex 450 family of helicopters.
Shaft Diameter: 3.5mm
- (1) 12 Tooth helical motor pinion gear
- (1) 3x3mm Set screw
NOTE: Must with use with 121T Slant Thread Main Drive Gear (AGNH45156).