An exploded diagram of a Sturmey Artcher planetary three speed bicycle hub. The photo montage shows all the parts of the AW model, this particular one being manufactured in May 1988. Image File:Sturmey Archer 3spd bicycle hub.jpg by Keithonearth and licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license on the Wikimedia Commons.
Many but not all of the images on this blog are under a Creative Commons License. If and only if the image above is under a Creative Commons license, you can find details for the different licenses at the Creative Commons. The most common licenses are Attribution CC-BY 2.0; 2.5; 3.0; and 4.0; and Attribution Share Alike CC-BY-SA 2.0; 2.5; 3.0; and 4.0;