Despite what cruisercustomizing.com says the 2014 R3T requires the ISO Grip 6236. Im not sure about the roadster or older models but the 2014 is throttle by wire and the ones recommended by cruisercustomizing.com (iso grips 6240) will not work.
Another tip; if you don't want to glue the clutch grip into place.
I found that if you put three evenly spaced stripes of electrical tape on the handle bar and then carfully twist the iso grip back and forth until its in place you dont need to glue it.
Looks very good. And the ability to retain the bar-ends is great, it also opens up to getting a set of Barkbusters Blizzard hand guards for cold-weather riding, just put them on there when you need them and leave them off when you don't.
Except as soon as I start adding chrome grips I know I'll go nuts and buy the chrome brake grips, the chrome brake cylinder cover, the chrome switchcube housings... expensive Isos (or Avons) all in all. Oh well.