hi, i´m new to this discussion group. I´m from Washington State and here´s my question: what the widest tire I can fit to my 1998 Suzuki GSF 600 Bandit´s rear and front. Now it´s 150/70-17 69H (rear) and 110/70-17 54H (front)can I upgrade to 180/55 ZR17(rear)and 120/70-17(front)?? Please advise....Thanks!!!!