Originally Posted by
burritos
You're probably right. I don't wear a monitor, but for me when I go up hills of various grades and I have to downshift cause I'm fatiguing, I figure, that's good enough.
Same here, on the really tough hills where I have to downshift, If I am not at the 85% heart rate, I must be close to it. I am breathing very heavy and my tongue is hanging out.
