SparkFun will be closed Nov 26th and 27th for the Thanksgiving holiday. Orders placed after 2:00pm MT on the 25th will ship out Monday the 30th.

Creative Commons images are CC BY-NC-SA 3.0

$ 5.99

Notify Me

added to your
shopping cart

Out of stock out of stock
5.99 1+ units
5.69 25+ units
5.39 100+ units

We estimate having 18 additional pieces available by Dec 5, 2015.

Incoming stock values are estimates, and subject to change without warning.

Description: These hub-mountable aluminum pulleys can be used to drive wheels or other pulleys with ¼” or ⅛” belts. They have an outer diameter of 1.125”, a bore of 0.50”, and utilizes the 0.77” 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.


  • OD - 1.125”
  • Bore - 0.50”
  • Hub Pattern - 0.77”


Recommended Products

Customer Comments

  • Will this mount to any of the horns that come with a servo? Or are there separate mounts that will work for this purpose?

Customer Reviews

No reviews yet.