On: Greg LeMond’s New 26 LB. Carbon Fiber Ebike

[DenisM]

Geared hubs could be quite heavy, certainly so for large number of gears.

OTOH with an electric motor you might not need gearing at all - the motor will help you in a difficult situation: https://www.theverge.com/2020/7/28/21344679/gogoro-eeyo-1s-e...