John has posted his article on internal-gear hub theory, history and some practical advice. This article describes the internal workings of all the newest hubs including those with compound and multi-stage gearing.
Frayed cable
John has added a photo of a frayed cable to the article on cables.
Flats photos
John added photos of a frame pump, mini pump and CO2 inflator to flats.html.
Updates on chains and tandems
Pictures from the 2011 Larz Anderson Bike Fair
Pictures from this year’s Larz Anderson Bike Fair and Bike Swap can be found at
http://sheldonbrown.com/Larz2011/
More updates
John Allen has done some revisions to the articles on tires/tyres and added more information on GPS to the article on cyclecomputer calibration.
Sun Tour components
John has done a major update and expansion of Sheldon’s article on Sun Tour components.
Larz Anderson Bike Fair – 8/20/2011
Remember the Larz Anderson Bike Fair and Bike Swap:
http://sheldonbrown.com/images/bikeswap.pdf
Stuck seatposts
John has added information on yet another way to remove a stuck seatpost — dissolving it using a strong chemical.…
GoPro HD Helmet Hero camera
John’s review of this popular camera is still a work in progress (no pictures yet) but is ready enough to make public.