Home Fitness Buddy 30 Minute Power Zone - Christine D'Ercole - 01/04/21 @ 7:30PM ET A 30 Minute Power Zone taught by Christine D'Ercole. Originally aired on 01/04/21 @ 7:30PM ET. Estimated TSS of 41. Timer Link: https://app.homefitnessbuddy.com/peloton/powerzone/details/376 bike