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.
NOTE: Must with use with 121T Slant Thread Main Drive Gear H45156
Specifications:
Modulus: 0.6
Shaft Diameter: 3.5mm
Weight: 1.2g
Includes: (1) 12 Tooth helical motor pinion gear (1) 3x3mm Set screw
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