Ultrasonic, non-destructive frame testing is not a reliable method unless one has a perfect reference sample of the same carbon used in the fabrication of the bike frame.

Lennard Zinn answers reader questions on melting carbon

Tech editor Nick Legan also answers readers' questions about using DOT fluid on carbon and new bike nervousness

Also: needing more rear offset, 52x34 on a double, amateur tool kits

Here’s a little secret: that beautiful carbon frame is easily repaired, provided it is administered to by the right hands

Nick takes questions about spring classics gear, frame inspections after crashes and how to line up handlebars perfectly.

If moderate heat doesn't pose a problem for carbon fiber, how about cold and big temperature fluctuations?

A reader asks whether the heat of a closed car or exposure to direct sunlight can damage a carbon frame.

A cracked or broken carbon frame can be fixed. Lennard Zinn checks in with Craig Calfee's repair shop.

Lennard Zinn takes a close look at four sets of carbon wheels.