I have mine at 110-115 psi, 40 psi is way too low.
Also read this once you get the wattage corrected: https://forums.zwift.com/t/how-does-zwift-determine-my-speed
I have mine at 110-115 psi, 40 psi is way too low.
Also read this once you get the wattage corrected: https://forums.zwift.com/t/how-does-zwift-determine-my-speed