I have now added an article to the Cyclefit page that Jon has written comparing his classes with a typical ‘Turbo’ session (he has done both!).
Hopefully this will answer any question you may have. Jon has adapted the classes he runs on Spin bikes to work with Turbos so you can still spend all evening staring at your Garmin (other brand of bike computer are available) if you want.
See you all on 13th.
