Hi, am using Xert indoor with Zwift and Strava, but outside I don’t have a power meter. How can I correlate power and heart rate in order to find my zones when riding outdoors? Thanks for any advice!
Hi, am using Xert indoor with Zwift and Strava, but outside I don’t have a power meter. How can I correlate power and heart rate in order to find my zones when riding outdoors? Thanks for any advice!