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I'm connecting my new Direto to Zwift. Have done initial calibration and paired everything, but I cannot generate appropriate resistance when sprinting or putting heavy efforts in. For instance, when I sprint, I start out able to hit only about 65% of my peak power (700 watts, my peak is 1350) and quickly start to spin out (130rom in 52x11). My general riding resistance is well down on what it should be too - usually I churn at around 85 rpm and 285 watts - on the Direto I can't generate anywhere near enough to put out those watts at 85 rpm. Trainer is paired via ant+

Any suggestions?

Did you calibrate the trainer?
The offset you get at the end of the calibration is close to the one you have on your trainer sticker?

Also, do a test using my e-training app instead and do a similar training.
Let me know if the behavior is the same or if all works properly there

Regards