Information has been added to the Creaks, Clicks and Clunks page to help you diagnose several more problems. The page now covers more types of cranks, the noiseless lurches and bumps which occur due to tire damage, chain too wide for the sprockets, worn-out bottom bracket bearings, chain rub on front derailer…
Author: John
Cable-pull adapters update
We do minor updates on an ongoing basis and often don’t announce them. Latest is to the cribsheet on cable-pull adapters.
Major updates to the headsets page

The headsets page has been updated with much more information on threadless headsets, a description of the Standardized Headset Identification System, advice on mixing and matching headset types, and more!
Update to 5-speed hub information
Our Sturmey-Archer 4, 5 and 7-speed hub page has been updated with links to newly-available information on recent 5-speed hubs.

Update to the 10-speed cassette page
Major update of the 10-speed cassette page — covers new models and an additional brand.
Air bag helmet demo
An air bag bicycle helmet has been in the news lately, and there is an evaluation of it online, if you care for the details. However, years ago, Sheldon posted a scan of a poster for another air bag helmet on the site. Unfortunately, he had only a rather worn copy to scan from. We’ve now had the loan of a copy in fine condition and had it professionally scanned. A small copy of it is below but you may view it in its full glory elsewhere on the site.

Shimano Alfine 11-speed hub
New article about the Shimano Alfine 11-speed hub. Thanks to Bruce Dance for most of the text, also Aaron Goss!

Lock Strategy
Our article on locking bicycles has been updated and expanded. Don’t let your bicycle get stolen!

ShelBroCo Helium!
Helium weighs only 0.13 times as much as air. Imagine what it can do for your tires! Find out about ShelBroCo Helium!




Shimano 9-speed cassettes


Major update to our page on Shimano and Shimano-compatible 9-speed cassettes. We’ve fixed broken links from when manufacturers updated *their* Web pages, and updated information on availability.