Author Archives: John

Additions to Nexus/Alfine 8-speed article

John has added information to the article about Shimano Nexus and Alfine 8-speed internally-geared hubs, describing common failure modes and how to forestall failure; how to determine whether a hub might need service; and also normal noises and “clunks” which … Continue reading

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Sheldon’s desktop images

We present a collection of images of bicycles and parts that Sheldon felt “some folks might find fun to use as a screensaver”. They might be used for desktop images. The images are all 1024 x 768 pixels, horizontal orientation. … Continue reading

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SRAM i-Motion 9 internal-gear hub

New article about the SRAM i-Motion 9 internal-gear hub — the only public source of information on how to rebuild this hub, and with links to installation information and (hard to find!) parts lists from SRAM.

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Rollerbrakes article expanded

Major additions to the article on Shimano Rollerbrakes — advanced instruction on maintenance, more advice about when these brakes are most suitable.

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New Shimano internal-gear hubs

Shimano has some new internal-gear hubs. We’ve updated the Shimano 3-speed page, and the internal-gear hubs page.

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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.

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About torque

John has written a new article about torque, as it applies to threaded parts, braking and drivetrains.

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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.

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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!

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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.

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