When Should I switch from Q2 to Race Tires (D211GPA or better)?

[greg sproles]

i have never been down on a Dunlop.... That is the only tire I will ever put on my M...
And to resound the post above? What happened to the N-TEC UK versions? Those things lasted FOREVER! 3 days @ LaGuna....Amazing

 

[whitarnold]

Now!