[richardferguson]

No, Cameron.
The Sumitomo's are still good for a few miles yet. My frequent sideways progress and piroetting at Winton makes me think these babies are built for pram-speeds in a straight line. Hence the procurement of the Vintage 17's and the Michelins. I'd just like a bit more confidence on the road.
Richard.
I was considering bringing both sets to Wakefield for an objective comparison. Mmmmmmmmmm science. 29 sleeps!