We have updated our article about Sturmey-Archer 4, 5 and 7-speed internal-gear hubs to reflect changes in hub availability and new documentation.

What's new at sheldonbrown.com
We have updated our article about Sturmey-Archer 4, 5 and 7-speed internal-gear hubs to reflect changes in hub availability and new documentation.
Major updates to the page on Sturmey-Archer 4, 5 and 7-speed hubs, mostly concerning the hubs sold from 1991 through 2009.