>>2057303it stops when your core strength, fitness, power, and tempo increase to the point where the saddle, bars, and pedals are just balance points, not pressure points. so for most people, never. For you specifically, your distance and intensity are more in line with light cardio/recovery days. What I would consider a "real ride" generally entails at least 90 minutes pinned at VO2 max with frequent excursions into anaerobic effort.
you can't "just ride." If you want to make systematic progress you have to go about it systematically. otoh it's only been two weeks. Give it time.
