OP gday.
My buddy just picked up his Rohloff kit (similar to yours) and swung by my house so we could scope it out.
We ordered a Sun Ringle Duroc 50 27.5” and like you are going with the 2 cross pattern for the lacing.
In fact I just ordered the spokes (Saipan straight gauge (252mm) and brass nipples from Wheelbuilder Pro.
I think he’s going with an Eddy Current tires on the rear as he’s rolling with a 29’r the same on the front.
Once the rim and spokes show up, probably next week sometime, I can build up the wheel and then the fun will start.
If it’s OK with you I’ll post up some pics as we go to show any differences in install for others to consider.
If you would rather me start a separate thread please say so I don’t want to cramp your hard work in any way.
Stay tuned.