u bolts and wheel hubs (re: ebay madness)

[canis]

Some of you might know the history. Breif synopsis, searching for cheap trailer, got one off ebay (this one) for £18, and I'm quite happy but:-

I just had to mess with it, d'in I!?



This 'U' clamp holds the axle to the leaf springs. I wasn't happy with one of the springs, a band wasn't lining up with the others and the perfectionist in me struck! I wanted to realign the spring, and paint it while I'm at it, and get all this grease off, and I've gone and snapped it. When will I ever learn to leave things alone?

The easiest option is to buy some new ones, but where can I buy these?
So far I've tried bending threaded rod into the 'U' shape, but that didn't work, just snapped. It might do better if hot, and that's something I'll experiment with today. Another option is to use television aerial fixings.

The other problem is the wheel hubs. The seem to be oozing grease at the axle side. I presume this is indicative of a worn bearing?

I'm hoping you guys in the trailer forum will be able to fill in some gaps in my knowledge. Please can someone advise me. Thankyou.