Thorn cycles, British makers of fine touring/trekking bikes, who fit
the Rohloff hub to their best-selling Raven and its variants, have a
board where everyone appears to be welcome, with a special Rohloff
section to which quite a few major tourers contribute:
http://www.thorncycles.co.uk/forums/index.php?board=25.0A board said to be good, though I do not find it as well organized as
the Thorn board, is Yet Another Cycling Forum:
http://yacf.co.uk/forum/index.php?action=search2
and search for "Rohloff".
Andre Jute
I'm not a know-all. I don't need to be. I know who to ask.