MPH NOT WORKING (ROLLERS)

Why is this

Hi Rob,

Without a power meter, Zwift does NOT work with rollers. For everything Zwift *does* work with, please check our Knowledge Base article here: https://support.zwift.com/hc/en-us/articles/203152565–Info-Which-trainers-does-Zwift-support-What-do-I-need-to-ride-