New article about the SRAM G8 8-speed internal hub gear 
— all you need to know to install this hub: specifications, gear ratios, parts compatibility and availability, how the mechanism works. As far as we know, this is the one place on the Web where you can find all this information. And if you happen to read German, we have an absolutely terrible pun for you too. Achtung, indeed!
Tag: gears
8-speed Shimano hubs — update
We have updated our page on Shimano 8-speed hubs. Shimano changed a number of links and posted some new information.
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.
Sturmey-Archer anti-rotation washers
Major addition to our article with general technical information about Sturmey-Archer internal-gear hubs — the different types of anti-rotation washers. It matters which ones you use!
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.
Sheldon’s Articles for Adventure Cycling
From 1999 through 2007, Sheldon wrote the column “Mechanical Advantage” for Adventure Cycling, the magazine of the Adventure Cycling Association. He covered a wide range of mechanical topics, oriented toward the needs of the bicycle tourists with the Adventure Cycling Association serves. All of these articles are online, and we now have a convenient table of contents for them on our site.
Chains
Major update to our article on chain maintenance — bicycle chain was developed in the U.K. and is dimensioned in inches. Most of the world including the U.K. has gone over to the metric system. How do you tell whether a worn chain needs replacement using a ruler marked off in centimeters? We’ll show you how! (Inches too, of course.)
Upgrading old road bikes
I’ve filled out and Harriet has formatted Sheldon’s page about upgrading old road bikes, which Sheldon left as a work in progress.
