Thank you all for your replies, I think I have it narrowed my search down to three tires and would like to get your impressions of my choices and the sizes I have picked out. I am looking at the Michelin Pilot Activ (Front 100/90 - 19, Rear 4.00 - 18), Dunlop K70 (Front 3.50 - 19, Rear 4.00 -...