Thanks AD. I think sulky wheels have been discussed before and a comment was made that the bearings are probably too small for our application with big sideloads.
I like those wheels because they take a standard motor cycle tyre and by the looks of the metal hub they could be modified to take a larger diameter axle and bearing combination.
I am not in the market for wheels just yet but will give you a PM when I am.
Cheers Cisco