@spikeyxxx,
As I explained you that same process worked for the other tyre tread. But not for the CAT tyre.
Here is the blend file.
https://drive.google.com/open?id=1UBat4Ntyyru_g7xLEylqBwOTHxQ_oZDd
I have 360° circle. And there was no need to add the segment numbers as I have used the fit curve in Array modifier with offset of 0,52.
Can you please take a look?
