we have dunlops on both HDs and the suzuki, the savage had a k555 on the rear and the origional irc on the front when we bought it, i added a d404 front a week later, because the 10 year old rubber was hard, weathered, and slid around like a greased pig. i've got 12,000 miles on the dunlops on my HD (fxrp a sport/touring type), the rear is showing a little flattening in the center, but they still stick well, and i'm putting plenty of horsepower to them
i dont have ANY idea how they work in the rain, we dont get that nasty stuff out here
my buddy went to metzlers on his HDs and is very pleased with their performance. they are very sticky, his bagger has 103" screaming eagle motor and wheelies after a short burn out. his fxr is turbo'd and putting 117 hp/ 117 ftlb torque to the ground, and will nearly launch itself into the the air when the rear tire gets sticky
. he said dunlops would simply burn and smoke