I am without a power meter for a little while, so I'm using HR to get my TSS for bike workouts. The default threshold HR in training peaks is my running threshold, which is higher than my biking threshold. The bike workout is calculating my HR zones based on the default. In the training peaks settings I added a bike threshold HR, and tried moving the default to the run section and deleting default. But it looks like I can't delete the default? How do I set up training peaks to use the bike threshold HR instead of the default? Thanks in advance.