They look like some sort of wheel apparatus Rory!!
Chap sent me a pm after haha
They are:
Yokohama / Advan TC-II hollow spokes
shame there painted! tho 245 streched on they must be nearly 10 J -10.5 J
They for sale?
Chris , will be sale, not sure on value really,
Will bring them with me Friday an drop em to the house ;-)
hahahah ya dropping the wheels and arch bits that very kind of ya