Originally Posted by flipflop
Thanks guys.
But, the most interesting thing I've come across is a discussion that talks about installing a Shimano Nexus hub on a moped.
NOOOOOOOOOOOO!!!!!! Don't do it. The nexus hub isn't the most durable under human power. Although I've already mentioned the humans put out more torque than mopeds; after the gear reduction of the chain, the torque on the hub will be much more.