14×4.5mm wheel pair with a sub-micro plastic planetary gearmotor and LEGO Minifigure for size reference.

Motor connections

These wheels fit 2 mm diameter output shafts such as the ones on our sub-micro plastic planetary gearmotors. The tire is not removable.

Due to small variances in the sub-micro plastic gearmotor’s output shaft, in some instances, the 14 mm wheel might fit loosely. If you experience a loose fit, you could try swapping wheels or using a small dab of glue to help hold the wheel on.


The wheel hub is made of ABS and the tires are natural rubber.

  • Diameter: 14 mm (0.55″)
  • Width of tire: 4.5 mm (0.18″)
  • Weight: 0.6 g (0.02 oz)
  • Shaft type: 2 mm diameter

The following diagram shows the wheel’s dimensions in mm.

This dimension diagram is also available as a downloadable PDF (127k pdf).



Size: 14 × 4.5 mm
Weight: 0.6 g
Shaft diameter: 2 mm


File downloads

14mm wheel mechanical drawing (127k pdf)


SKU PL-2356
Brand Pololu

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