We have added new sections on derailer maintenance to the derailer adjustment page, including how to cannibalize rear derailers, being careful about compatibility, and how to check cables, 
Tag: derailer
Updated information on drivetrain compatibility
Our article about cassettes has been updated to include information on 11-speed systems. Interesting — all major brands of 11-speed casettes now have the same sprocket spacing. Most rear derailers and shifters are not compatible, though. We can tell you which ones are.
Another in Italian
Salvatore Celi has also translated Sheldon’s article on Shimano Dura-Ace components into Italian, http://avvsavv.blogspot.it/2013/07/sheldon-brown-shimano-dura-ace.html
Chains
Major update to our article on chain maintenance — bicycle chain was developed in the U.K. and is dimensioned in inches. Most of the world including the U.K. has gone over to the metric system. How do you tell whether a worn chain needs replacement using a ruler marked off in centimeters? We’ll show you how! (Inches too, of course.)
Upgrading old road bikes
I’ve filled out and Harriet has formatted Sheldon’s page about upgrading old road bikes, which Sheldon left as a work in progress.
Sun Tour bicycle components
Several additions to the Sun Tour article, especially about freewheels.
Sun Tour components
John has done a major update and expansion of Sheldon’s article on Sun Tour components.
varsity-shaddox.html
Minor edits, a tag line and a photo added to Tom Shaddox’s article about the Schwinn Varsity.
ShelBroCo new product
Check it out! The honored tradition of ShelBroCo products lives on!
