Originally Posted by 2old

Hub drives are excellent for commuting and only suffer in road riding when the hills are too steep in which case a more powerful system (which may be illegal) is needed. Go to the endless sphere site where there are more advocates, some with 25,000 miles on their conversions or to ebikesca where the smartest people (IMO) in e-bikes have tools to support the concept. Mid-drives excel for riding off road and generally are better for steep terrain.