The Nissan Path

Are factory R51 and R50(2000-2004) crossbars the same size? I am trying to find some old Yakima Mighty Mounts that would fit factory R51 crossbars, but they quit making them before R51s came out so I can't find it on any fit guides. I really don't want to buy the new Universal Mighty Mounts.

Not sure if you've figured this out yet but I bought a couple of Yakima Raptor Aero Upright rails that I mount direct to my R51 factory cross bars via the Universal Mighty Mounts and they fit well. Only thing is that the cross bars arch (by design) so the bikes lean outward slightly. Works well enough for me.