Supposed to be the next step to the bt23's and yet in my experience had less grip and didn't last as many miles!
Thanks nick im leaning towards the pr4s but I trust the road smarts so it's hard to change.
Michelin Pilot Road 2----great tyres
http://www.tyresave.co.uk/tyrspeed.html
I think tyres are like condoms.......all the brands do the same job but having confidence in the brand makes you ride better