I run a BF Goodrich T\A Radial 155\80 on the rear of my 02 RSV and a 130 commander 2 up front. After much trial and error I settled on 41 psi up front and 45 psi on the rear. Low speed handling and mountain twisty switchbacks are no problem. I have slid the forks up 3/4", replaced the fork springs with sonic straight rate springs with 15W fork oil. Increased head bearing torque by 10 pounds. All this combined , my bike now handles way better than the stock configuration.