le-sheq wrote:
Ok, but even when riding il relativly slow leisurely pace, I feel
exhaustion, despite not having reached 70% of my HRmax. I don't feel
comfortable with that.

How long have you been feeling that way if you've only been doing the
easy riding for a month? You could just be getting sick -- or some
other outside inluencer. Change in prevailing winds? Stress at work?

-Mike