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12 Tooth Metal Pinion Gear - 2 Pack


With the REV 12 Tooth Metal Pinion Gear you can make your own gearboxes using other REV metal gears! This pinion is intended to be pressed onto a bare HD Hex Motor (REV-41-1291) shaft in place of the stock pinion. It can also be used with any 550 series motor with a 0.125" output shaft.

REV metal gears are NOT compatible with REV plastic gears.


  • Module: 0.8
  • Pressure Angle: 20°
  • Material: Machined Brass
  • Thickness: 7mm
  • Hole Diameter: .125" press fit*

*We recommend a small drop of retaining compound such as Loctite 609 to ensure a snug fit.


QTY 2 - 12 Tooth Metal Pinion Gear