Here is the links to the two largest brands off roulette wheels today.
Cammegh wheels
hxxp://nolinks.cammegh.com/
Huxley wheels
hxxp://nolinks.tcsjohnhuxley.com/
I notice that they have measurement tools for sale and it is interesting to read about what they exactly do with that software.
It put some light on what is sensitive stuff and what is not.
It is a good read.
Enjoy.
LS
You can also add new links here to other wheel manufactures.
LS
Caro wheels
hxxp://nolinks.carogames.com/va/index_cylindres.html
LS