How do I use an internally geared hub or cross-country hub with the Mundo frame?

The Mundo comes with a 48-spoke, tandem-strength rear wheel that has a 14mm axle. Most mountain bike wheels, internally geared hubs. To adapt these smaller axles to the Mundo's frame, you can use an axle adaptor.

Veteran Mundo rider and mechanic Mike Cobb writes:

BMX kids often use 3/8" (9.525mm) axles in 14mm dropouts by using very simple adaptors.  I'm 99% sure that 10mm axles will be compatible with these adaptors:
http://www.albes.com/index.asp?PageAction=VIEWPROD&ProdID=1613

Can anyone help us move from 99% sure to 100% sure?

Comments

10mm adaptors with IGH

I have a slight worry about the torque washers on these hubs spinning more easily in the 14mm slots even with the adaptors.

The second sentence is

The second sentence is missing a few words. Most mountain bike wheels and internally geared hubs...what?

Mundo with Internally geared 3/8" hubs

Don't internally geared hubs need torque arms or washers? Would the above adaptor prevent using the supplied torque washers?