Home Fitness Buddy 30 Minute Power Zone - Christine D'Ercole - 01/20/20 @ 10:30AM ET A 30 Minute Power Zone taught by Christine D'Ercole. Originally aired on 01/20/20 @ 10:30AM ET. Estimated TSS of 36. Timer Link: https://app.homefitnessbuddy.com/peloton/powerzone/details/94 bike