Email this bicycling webzine with your bike-repair questions. Mechanic Andy Wallen has all the answers. Be sure to look over his past columns, too.

Building Bicycle Wheels, by Sheldon Brown.

Feel free to post a technical question in the United Bicycle Institute Technical Forum! Our search engine will also peruse hundreds of archived postings to find what you are looking for.

Bicycle Maintenance Guide - introduction and table of contents ...

Chain-Suck : Its causes and mechanisms, How to avoid, prevent, and remedy ...

Spoke length formula for all spoked wheels and wheelbuilding information.

A drivetrain analyzer and gear calculator for HPV's (Human Powered Vehicles) that will handle compound drives and geared cranks and hubs. Commonly used tables are returned. Useful for bikes, trikes, and other HPV's.

Learn how to check the efficiency of your bike's drivetrain with these 27- and 26-inch gear ratio charts for cyclists.

Bicycling Maintenance & Technical Books 7/12/02 Books on bicycle maintenance & repair for everyone from beginners to professional mechanics.

Sturmey-Archer SW Hubs Feel free to email comments, correction, or criticism to Brian Hayes at: bdhayes@infinet.com Last updated: 5 October, 2001 I. Unique Operating Features The Sturmey-Archer SW hub has a history of troublesome operation, to say the least. Most people s experience with this hub has been negative and the result is that these hubs are today rather rare. While the hub did not ...