G'day Hugh, On 12/03/2010, at 6:36 PM, HUGH wrote: << It looks like these tyres are part of the wheel - note the alignment of wheel spokes and tyre "spokes" - so, a pretty expensive item to replace. My son-in-law sells tyres, I'll ask if if he's heard of them. >> I saw this article at least 12 months ago. ooroo