Not on a HD, so someone with direct experience on a SG or touring bike hopefully will chime in. On my last bike (non-HD cruiser) I changed the shocks to 412's and replaced the fork springs with progressives. The forks were really stiff to the point of being a little harsh on the front. They sure didn't dive as much but on small bumps they were a little brutal. I'm not sure I liked them on that application. The shocks were good though and much better than stock on that ride. Progressive has a good rep for sure. Not much help I know but that's all I've got. Anyone with direct experience?
'12 Street glide... adding miles.