Our article about the SRAM G8 hub now also covers the new G9 9-speed.
SRAM G9 Hub
Tag: planetary
Home-brew hybrid gearing
Additions to the article on internal-gear hubs — more about how to construct a multi-speed hybrid-gearing system using a stock 3-speed hub and two sprockets and/or two chainwheels. It indexes even without index shifters! Photo courtesy of Mark Stonich.
Sturmey-Archer indicator spindles
John has compiled an article with dimensions of most kinds of Sturmey-Archer indicator spindle — the little rod and chain which the shifter cable pulls to shift the gears inside the hub. There are over a dozen different indicator spindles, with different lengths, intended for different hubs — but importantly, there is a lot of compatibilty among them.
Shimano Nexus 4-speed
John has put together a new article about the Shimano Nexus 4-speed internal-gear hub, with links to a parts list and servicing information. This hub has been discontinued, but in case you want to keep one going…
Article about Rohloff hub
We have spiffed up an article about the Rohloff 14-speed internal-gear hub which had been lurking on the Harris Cyclery part of the site and placed it with the other informational articles.
About torque
John has written a new article about torque, as it applies to threaded parts, braking and drivetrains.
Five-Speed Hub Gears
Article about 4- and 5-speed Sturmey-Archer hubs kindly shared by John Forester and now on sheldonbrown.com. This dips into the history of the hubs and suggests several useful modifications also applicable to other hubs.
Updates to Sturmey-Archer 4, 5 and 7-speed hub page
Major updates to the page on Sturmey-Archer 4, 5 and 7-speed hubs, mostly concerning the hubs sold from 1991 through 2009.
More troubleshooting advice on Sachs/SRAM internal-gear hubs
There’s more troubleshooting advice now in our article about Sachs/SRAM internal-gear hubs: how to test whether a problem is inside the hub, or only in the shifter and cable — for hubs with 3, 5 or 7 speeds, with pullchain(s) or clickbox.
Internal gear theory
John has posted his article on internal-gear hub theory, history and some practical advice. This article describes the internal workings of all the newest hubs including those with compound and multi-stage gearing.
