The micro plastic gearmotor’s Micro Planetary Gear Motor output shaft is compatible with this 14 mm wheels. We don’t have any brackets because of this gearmotor, and it generally does not have any mounting holes, but its compact size makes it simple to fasten with tape or glue. On the other hand, since this gearmotor is definitely almost the same size as a 1/4″ fuse, it could be mounted using standard 1/4″ (6 mm) fuse clips.
Motor accessories
The following diagram shows the micro plastic gearmotor dimensions in mm. The planetary gearbox has a D-shaped plastic output shaft, which is 2 mm in diameter with a section 
that is flattened by 0.5 mm. The “D” portion of the shaft is definitely 2.5 mm long. The motor actions 6 mm in diameter and 9 mm long, and the gearbox size, labeled “L” in the diagram below, depends on the apparatus ratio. The 26:1 gearbox is usually 7.1 mm long, while the 136:1 option steps 9.4 mm. The engine leads come with their suggestions pre-stripped and extend approximately 2 cm (0.8″) from the back of the motor.
Gearmotor dimensions
Since the gearmotor’s output shaft is nylon, there may be small variances in the diameter from unit to unit. These variations may cause press-match attachments like our 14 mm wheel to match loosely in some instances. In the event that you experience a loose fit, you could try swapping tires or using a small dab of glue to help contain the wheel on.