Originally Posted by
dabac
How about disc brake hubs? Cut an adapter plate that mounts to both the motor axle and where the disc brake would sit. Ignore the hub axle. Lace the rims of your choice to the disc brake hubs. Shimano Deore are thick and sturdy and inexpensive.
I like the idea, I'd take it a step further and fab a piece that would tie it together with the axle, which need not spin, so it could be further reinforced. I enjoy these sort of projects.