Lennard Zinn includes many of the notes he's received in response to his column on the heart issues endurance athletes can face.
Lennard Zinn answers more questions about how to best measure chain wear, and a reader shares an interesting drivetrain mash-up.
Lennard Zinn answers readers' questions about 10-speed and 11-speed inter-compatibility and explains what chain width actually means.
Lennard Zinn writes about a recent visit to University of Colorado's Locomotion Lab, which is researching how cyclists sit on saddles.
Lennard Zinn lays out his holiday wish list, which includes everything from inexpensive packets of tire sealant to commemorative jerseys.
Lennard Zinn explores the myriad ways to check chain wear — not all yield the same results. Here's how to measure accurately.
This week, Lennard Zinn addresses reader questions about shifting and attaching tubulars with tape.
Lennard Zinn heads to the lab with a pile of road tires to separate hype from science and find out which brands and models are fastest.
Among this week's questions is one about a shifting problem, the solution to which ends up being easier than first thought.
Lennard Zinn explains how junior racers can make the most of modern components to get good gear ranges that don't break the rules.