Category Archives: Updates

Measuring hub and rim for spoke-length calculation

New page on how to measure a hub and rim to get the numbers to enter into a spoke-length calculator.

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which tire fits which rim?

Major revision of the page on rim sizing to determine what tires will fit

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Our article about the SRAM G8 hub now also covers the new G9 9-speed.

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Threescore and ten…

Sheldon would have been 70 years old on July 14, 2014.

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Seatpost size database update

Additions to the seatpost size database to include all the sizes which people have reported. Feel free to report more.

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If the chain falls off or jams

New article on how to prevent chain incidents and how to recover from them. Did you know that you can re-engage a dropped chain without getting your hands dirty?

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Bottom bracket information revised

We’ve added David Richardson’s photo of damage to a Shimano Octalink V1 crank from installing it on a V2 spindle to the bottom-bracket database. Also, we’ve coordinated bottom-bracket threading standards tables in the several files where they appear.

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Jobst Brandt pages updated

Harriet has reorganized the Jobst Brandt pages — formatting for easier reading, placing them into categories and in sequence, fixed broken links. Brandt’s trenchant comments demolish a number of bicycling myths, and bring an engineering perspective to issues of mechanical … Continue reading

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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.

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Skid patch counts

Correction to formula and additional info including a calculation spreadsheet for the number of skid patches on the rear tire from skip-stop braking on a fixed-gear bicycle.

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