SheldonBikes app for iPhone and iPad

Practical bicycle maintenance, customization and repair, riding techniques, some history and a dash of humor.
Topics covered include:
Beginners - What you need to know to get started
Bicycle Glossary - Special bicycle-related words and meanings
Brakes - Selection, maintenance, and use when riding
Commuting - Lights, weather, locks, and safety skills
Cyclecomputers and GPS -- Choices, setup, use, and manuals for almost all
Do-It-Yourself - Customization, on road and workshop repairs and maintenance
Essays and Fiction - Opinions, testimonials, and stories
Family Cycling - Riding with kids, getting through the difficult years
Fixed-Gear and Singlespeed - Simple, practical, good for training, and fun
Frames - materials, sizing, maintenance, and adjustment
Gears and Drivetrains - Derailers, internal gears, setup, and shifting
Humor - ShelBroCo Products for a better world
Old Bikes - Documentation, maintenance, and upgrading
Repair Tips - Unconventional and useful advice
Tandems - Riding tips and how to build your own
Touring - Where to ride and stay, and transporting your bike
Translations- some of our articles, many languages
Wheels - Tire and rim sizes, repair, and building your own