Stefan, imagine an a vehicle powerEd by electric motor which are known torque monsters and how little transmission is needed..Oh here is one example, maybe you heard of them?
transmission
Featured snippet from the web
Teslas use electric motors that have two moving parts, and single-speed “transmissions” that have no gears. The company says its drivetrain has about 17 moving parts compared with about 200 in a conventional internal combustion drivetrain. The
Tesla system is virtually maintenance-free.
on my Trek , they say it can go up any hilll, but they don’t say how slow you are going or how fast you have to clown pedal to get any speed