New article on spoke patterns which avoid excessive spoke angles
with large hubs such as electrically-assisted bike hub motors.
Spoking patterns for large hubs
Tag: Sheldon
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.
SRAM G9 Hub
Our article about the SRAM G8 hub now also covers the new G9 9-speed.
Threescore and ten…
Sheldon would have been 70 years old on July 14, 2014.
Seatpost size database update
Additions to the seatpost size database to include all the sizes which people have reported. Feel free to report more.
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?
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.
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 design and performance.
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.
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.
