Originally Posted by
Currmudge
I was able to maintain that average speed on a full-suspension MTB past age 50. You must live in a REALLY hilly area!
My commute has a one mile hill at 12 degrees one direction, then the return trip is a 1/2 mile hill with almost the same gain, so much steeper (I live on a ridge, ride into a valley, then up a ridge to work). And, there is virtually no flat land, anywhere.