MEc_Gears

What can gears do on a bicycle? media type="custom" key="11262916"
 * A: The right gear ratio can make it easier to pedal, but at a lower output speed.
 * B: The right gear ratio can make you go faster, by making the input force easier.
 * C: The right gear ratio can make it harder to pedal, while slowing down the bike's output.