I have pilot pure's right now on my busa... almost gone! I dont like them very much. It wasnt a bad tire, but I never felt confident with it. It would squirm and slide under aggressive riding. I even pushed the front tire at 110 mph coming out of a corner.... scared the crap out of me! When I ran BT002's I never had this issue on the busa. The busa will be getting a set of Q2's on it in the next week or so. But I have a set of Q2's on my 2009 1k and love them. I know the 1k is lighter then the busa, but riding them back to back, I feel more confident in them then the Pures! I rode the same set of Q2's at a VIR trackday on my 09 1k... and it made me a believer in them! I even almost made it to the advance group on them.... They stick and have great feed back!