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Gear - Hub Mount (72T; 0.5" Bore)


These hub-mountable aluminum gears are ideal for transmitting motion from a motor or servo to a wheel or shaft. These gears have 72 teeth with a gear pitch of 32P, an outer diameter of 2.312 inch, a bore of 0.50 inch, and utilizes the 0.77 inch and 1.5" hub pattern.

Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes building complex electromechanical prototypes or finished projects a reality.


  • Teeth - 72T at 32P
  • OD - 2.312 inch
  • Bore - 0.50 inch
  • Hub Pattern - 0.77 inch, 1.5"