Ask any avid indoor rider and they’ll tell you: once you’ve got a good smart trainer, the second-best upgrade you can make to your pain cave this winter is a powerful fan.
When you’re hammering out intervals or grinding through a long Zwift ride, your body generates a surprising amount of heat, and without the natural airflow you get when riding outdoors, that heat has nowhere to go. Before long, you’re drenched, uncomfortable, and watching your heart rate drift skyward for all the wrong reasons.
