What are the advantages of riding in the low gear?
Are you talking about low cadence/high torque training?
If so, here’s a podcast episode we did on that topic a few months ago.
FWIW: Low gear usually means an easy gear, like 1st gear in a car or motorcycle. High gear is a hard gear, like 4th or 5th in a car. So, big cog and little chainring is the lowest gear. Little cog and biggest chainring is the highest gear.
Now they tell me. 