I too have been using the 235 and 265 PS Cups on OE 18" wheels and have been very pleased with them. At the Parade I asked the Michelin reps if there was any possibility of 245 and 275 widths being available in the future. Unfortuately, they said no chance. The soon (?) to arrive RAC group buy wheels could use wider tires but may be OK with the 235/265 sizes.

One of the great advantages IMO to the Cups over all of the R rated tires, that I know of, is that they can be used on either side of the car to even wear. Since the outside front tire always wears faster, left front on the typical clockwise course, the ability to switch sides extends their life considerably without the expense of remounting.

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Formerly 914Geezer