if need be... i will just run dual 17's for better tire selection. as this build is primarily function over form.
That's the route I'm going too, check out Michelin Pilot Activ, it's a tubeless bias ply that replaced Michelin Macadam.
I've got them mounted up for my K3, but have no miles on them. I put one on the rear of my Nighthawk and it's nice, I'll get one on the front in the spring.
Running a 17" front might crowd your brakes if they're larger than stock 750 units, but Drdreas in Boston says it works in his threads, worth a look.
-Alan