I had a crack at mine with a hack saw, as I didn't have any discs, but got on better than I'd thought I would! Tidied it up with a grinder later, would of been easier to grind it in the first place...
If you can weld, could weld on a threaded tube to take a screw in tow eye? Think that's what Rod's done....

Flint grey and black wheels would look good I'd say!?