Originally Posted by
ZHVelo
Interesting that many people say to look out for breathing and HR (not saying one shouldn't), because I personally feel exhaustion first in my legs and when I try to adapt my ride style (lower gear higher cadence) then I feel start to feel exhaustion after. Or maybe I am just imagining things.
I'm very similar unless it's super hot or humid. My hr actually starts dropping a bit when glycogen runs low. After that watts start dropping, too. Could be breathing through my nose with a low hr and be absolutely cracked.