George S.
Well-Known Member
It's probably been covered somewhere, but it doesn't show up in a search:
http://www.electricbike.com/2-speed-e-matic-xiongda/
It would make a hub more competitive with a mid-drive, hills and flats.
http://www.electricbike.com/2-speed-e-matic-xiongda/
It would make a hub more competitive with a mid-drive, hills and flats.
