[bobcowan]

I have the same tire, and don't have that problem. Maybe your alignment is off? Something loose? Corner weights off? How old is the tire?

I recently replaced my rear tires. Apparently, the NT05 is in limited supply, and no new product expected. It may be discontinued soon?

Do a little search here. You'll find this question has been asked many many times. You'll get a lot of good answers and good suggestions in <1 minute.