This Motrolfly Motor comes with pre soldered 4mm connectors and a pre mounted hub with 6mm shaft.

If you order a matching ESC with the motor the female 4mm connectors will also be pre soldered to the ESC.

Collet adaptor is available for this motor that fits motors with a 5mm shaft and has an 8mm shaft. This option is for when mounting the motor behind a fire wall. Choose the opption in the drop down box to get a better price.