English: Simplified Diagram of Mechanical Advantage with Labels (en).
As the rear sprocket is halfed in size, the distance traveled by the rear wheel doubles, at half the torque.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Uploaded a work by Adapted by User:MaligneRange from Becarlsons graphic from Based on https://commons.wikimedia.org/wiki/File:Bicycle_mechanical_advantage.svg with UploadWizard