Originally Posted by Caliper

Quote:
Originally Posted by Spoonrobot
Geared bikes do not magically take less power to go a given speed.



False. The power needed to move a given bike and rider up a given hill at a given speed is the same regardless of gear.

The force needed on the pedal is lower with a geared bike, but the lower force is balanced by the higher rpm you are spinning and the resulting power is the same.