Ask a coach: ‘Should I be doing my Zwift sessions in ERG mode?’

Is ERG mode a shortcut to watt-perfect workouts? Or are you losing out on gain by relinquishing control?

Image shows a person using ERG mode in Zwift
(Image credit: Future)

Do you ever find yourself with a burning question you’d like to directly ask a cycling coach? Well, now is your chance to ask away! In this series, we’ll be putting your questions to expert coaches – send them in to Cycling Weekly's Fitness Features Editor at

ERG mode is a mode on your smart trainer whereby the trainer dictates the power you ride at. It will automatically adjust for the cycling cadence you are using at and so there is absolutely no shirking when riding in ERG mode.

Image shows James Spragg.
James Spragg

Sports scientist and coach James Spragg is one of the experts who will be answering your questions in Cycling Weekly's ASK A CYCLING COACH series which comes out every Wednesday. Working both in research and applied settings, he currently runs Intercept Performance Consultancy

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