Coach Deena Blacking strips away the false promises and explains how to be wise about watts.

“As far as I'm aware, no bike race has even been won on a power meter," said Peter Sagan, triple road world champion and the owner of more points jerseys than there are days in a Grand Tour. And yet, if you were to believe the chat on your Saturday morning Zwift ride, you could be forgiven for imagining that power was the be-all and end-all of cycling success.

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