2.2, Dually Wheel Adaptor

This is for ONE Dually Wheel adaptor.  (You will need two adaptors to make a dually.)  It was designed to fit most 2.2 wheels with a 12mm hex.   All Axial 2.2 factory wheels fit great.  The hole is printed to allow treading onto the factory M4x0.7mm threads found on most 2.2 sized crawlers.  

The hole is sized to self-thread using a standard M4x0.7mm bolt.  It can also be threaded with a M4x0.7mm tap.
I recommend this tap. McMaster-Carr P/N: 8305A34
(If you are purchasing the steel allow.  I only recomend tapping with an actual tap.)

I would pruchase the versitial plastic for stock electronic vehicles, than professional plastic for mild builds, and the steel for brushless builds.

I recommend an M4x0.7x12mm bolt and M4 washer used to hold each wheel one.  It is what I used to hold the wheel on in the sample picture.  Something like this. (316 Stainless Steel Hex Head Screw)