CTS on Instagram: "ERG Mode, or ergometer mode, is a feature on smart indoor cycling trainers that allows the trainer or connected app to set the resistance you experience as a rider. For interval workouts, for instance, ERG Mode will adjust the resistance so you stay at a constant target power output (e.g., 250 watts for 10 minutes). The downside to ERG Mode is that it can hinder your ability to conjure the internal motivation to achieve that power target, and if you can’t maintain your cadence