My stock Bridgestones were awful on grooved pavement. Are they still using those crappy tires on the '07's? If so, the solution is new tires. The Metzler ME880's I put on my bike are radially grooved which eliminates "hunting" on grooved pavement. I remember riding with a group of my HD buddies on I-81 in PA, going about 80 mph. We hit some grooved pavement and it was truly frightening.

Here's the grooves on the Metzler. If your grooves follow the wheel, you go trouble.



Al