Mounting the motor to the bicycle wheel is proving difficult, particularly due to the ratcheted gear that is supposed to thread to the wheel hub. There is no thread on either of my bicycles wheels and after considering the problem for some time we have decided to use some welding.

The ratcheted gear that came with the kit:

The part of the wheel that is supposed to apparently be threaded:

Getting some help making a weld from my Dad and one of his friends (this is the first time I have actually seen welding up close):

Needless the say, the mechanical part of this project (though simple) is taking a lot longer than expected!