Came stock on my '17 GSXR1000R and purchased a second set of the 190/55. I think I'll go to the 200/55 as I'm out of tire on the rear, but still getting decent drive out of the corners. Even though I'm at the edge of the tire, I know it's not the limiting factor. These have a pretty soft feel and still communicate to you when your on the edge. The fronts will move from super plush to a coarser feeling through the bars when your at the limit and the rear has a nice smooth squish to it when finding grip. Not a large wobble back and forth, just a little squirm when driving hard. I wish I could post a couple pictures after a couple days at CSS at Barber this weekend, I'm happy with these. I have a set of Q4's to try, but I'm waiting to see which I prefer.