Because the Cup 2s are good up to a point - they are the same as R888s where they seem to have a narrow lap window of operating before they get too hot and go off very quickly. This makes them okay on the road, but a let-down on track, where you can only get 2-3 fast laps at a time.
The Trofeo Rs are more like the Cup 1s in grip and operating window. They actually do the correct CSL sizes (front and rear) as well....
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Mike R
Sarcasm is just a free service I provide.
Nordschleife, there's only two barriers to worry about - the ones on the left and the ones on the right  .
CSL number 044
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