I buy based on pricing for the most part...
CB
Thanks Charlie but with your skill, you can make a flat tire seem great. (Not a reference to Bill)
I have 4 or 5 new front tires so I will do as you said and try each one. The one on the bike now has the same overall pattern as the D139 I used to run. Straight rows of knobs, no staggering. I don't mind changing the front to much but on the rear, my knuckles always seemed to be attracted to the sprocket.