We have updated our page about Shimano 3-speed hubs. Shimano redid its Web site and broke all the links to technical information. We have repaired the damage and added a few more links, tips and tricks as well.

What's new at sheldonbrown.com
We have updated our page about Shimano 3-speed hubs. Shimano redid its Web site and broke all the links to technical information. We have repaired the damage and added a few more links, tips and tricks as well.
More information on the SRAM S7 internal-gear hub — a reader has sent us links to step-by-step rebuilding information and model comparisons, with photos. The text is in Russian but the photos tell the story and then there’s Google Translate. We’ve also checked an updated all the links on the page.
Our Sturmey-Archer 4, 5 and 7-speed hub page has been updated with links to newly-available information on recent 5-speed hubs.
New article about the Shimano Alfine 11-speed hub. Thanks to Bruce Dance for most of the text, also Aaron Goss!
New article about the SRAM Automatix two-speed hub. We have information on maintenance, choice among variant models, and how to adjust the speed at which it shifts automatically.
Expanded coverage of Shimano Nexus 4-speed hub gears — we now have rebuilding information, translated from manuals in German which are the only ones we could find online — complete instructions for both the freewheeling/Rollerbrake version and the coaster brake version. Thanks go to Patricia Morris for assistance with translation.
Updates to our main page on Sachs and SRAM hubs , and our page on the G8 and G9 hubs. We have located additional technical information from SRAM, and wehave fixed a number of Web links that went bad.
John has added some owner comments to the page on SRAM G8 and G9 internal-gear hubs. Opinions are generally very positive.
The list of Sturmey-Archer indicator spindles now sorts either on the part number or on the spindle length, with a mouse click.
David Prosser of Sturmey Archer has sent information about a couple of Sturmey-Archer indicator spindles (the chain-pull assembly which shifts the hub). It is now on our indicator spindle page. Thanks David!