Manufacturer Description

This is an Align 11 Tooth Motor Pinion Gear, and is intended for use with the Align T-Rex 450 helicopter.

Specifications:

Modulus: 0.5

Shaft diameter: 3.17mm

Weight: 0.8g/pc

Includes: (2) 11 tooth motor pinion gear
Note: A 3x3mm set screw is required to secure the pinion to your motor shaft and is not included. We recommend using part# PTK-H-4000.