4mm hub

Brass Hub with 4mm shaft hole for connection to 4mm motor shaft.
Includes two grub screws and one M4 screw for securing to wheel.
(Fits our wheels and most 1/10 scale RC wheels)

Download hub size and dimensions PDF
Please note hub sizes for our products:

• 3mm = 4Borg hub size
• 4mm = DiddyBorg / Red / Metal Ed. hub size
• 5mm = Large Stepper hub size
• 6mm
• 7mm