Bicycle video: new article, and updates

John has added an article on the Deshaker image-stabilization plugin for the free Windows application VirtualDub, and has updated and expanded the generic article on image stabilization and the one on the GoPro helmet camera.

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.

iPad app references sheldonbrown.com

The recently-released iPad app Cyclepedia is for the most part a very slick, enhanced presentation of 100 bicycles in a historical collection ranging from 1920 to the present. The photography is superb, the bicycles are of many different types, and the app makes full use of the iPad to rotate and zoom the images, even to swipe images of folding bicycles to see how they fold. Cyclepedia was app of the week in the UK iPad store. It references sheldonbrown.com for further technical information.

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