Module 0.8 Teeth Metal Gear x 1 .

Please select bore and teeth required from drop down menu.

To fit 540 motor shafts with 3mm or 5mm shafts (please select required above).

Includes a grub screw.

All measures 10.9mm wide.

12T 11.1mm outer diameter.

13T 12.0mm outer diameter.

14T 12.7mm outer diameter.

16T 14.4mm outer diameter.

20T 17.5mm outer diameter.

22T 19.9mm outer diameter.

23T 20.2mm outer diameter.

24T 20.8mm outer diameter.

26T 22.2mm outer diameter.

28T 24.0mm outer diameter.

30T 25.6mm outer diameter.