A bicycle moves because the front gear is turned by stepping on the pedal, and power is transmitted to the rear gear by the chain to rotate it. The gear multiplier is the number of cogs on the large gear on the inside of the pedal divided by the number of cogs on the small gear on the rear wheel.
A bicycle moves because the front gear is turned by stepping on the pedal, and power is transmitted to the rear gear by the chain to rotate it. The gear multiplier is the number of cogs on the large gear on the inside of the pedal divided by the number of cogs on the small gear on the rear wheel.