Our Community Bikes - A Nuvinci N360 for all you internal gear hub enthusiasts. This is a pretty unique hub in that it utilizes what Nuvinci calls a continuously variable planetary transmission
NuVinci N360 Fat-friendly Rear Hub | FAT-BIKE.COM
NuVinci-Fahrradnabe: Schalten ohne Gänge | Stiftung Warentest
NuVinci-Fahrradnabe: Schalten ohne Gänge | Stiftung Warentest