That is the early model mate
Only way to replace them was with the whole ally hoof section which I think is no longer available
The good news is that you can replace the ally section with the later one that has bolt on hoof
From what I remember you only needed new bearings tube and bracket on the very early ones (with the straight sides)
From your pics it looks like you have the later ones with the cranked sides so they should fit ok
Can't remember off the top of my head but the hoofs were about £30 a set but might have gone up a bit as that was a few years ago
Contact PJ and they should have a few spares in stock
Chancing them is just a case of unbolting and pulling the bearings out
Jason
