We just returned from Glacier, Bikers were a no-issue,
And any dude that can pedal uphill for 8 to 16 miles at 6% grade,
It gets worse, fergit titanium, a touring bike loaded with gear and water can tip the scales at around 70lbs.
"...if the gentlemen of Virginia shall send us a dozen of their sons, we would take great care in their education, instruct them in all we know, and make men of them." Canasatego 1744