Originally Posted by
shecky
Some gears are basically useless. I saw some MTBs with 24 front/34 rear granny gears. Ridiculously low, almost too low to even balance, uncompetitive with walking.
That's really not true. Assuming 26" wheels, a 24x34 gear combination at a 75 rpm cadence is about 4 mph. You cannot walk up a steep hill at that speed, particularly if you are pushing a bike.