Home Fitness Buddy 45 Minute Power Zone - Christine D'Ercole - 12/21/20 @ 9:00AM ET A 45 Minute Power Zone taught by Christine D'Ercole. Originally aired on 12/21/20 @ 9:00AM ET. Estimated TSS of 61. Timer Link: https://app.homefitnessbuddy.com/peloton/powerzone/details/369 bike