Lennard Zinn answers questions about aging modern tires, hidden motors, and how to custom tailor your kit.
Lennard Zinn answers questions about motorized cheating and follows up on his advice for indoor roller-specific tires.
Lennard Zinn explains how to choose the right tires for riding rollers this winter.
Dear Lennard, I run a Specialized S-Works Tarmac with a mix between Ultegra and Dura-Ace components. I’m thinking of a switch to an
Tech FAQ: Tubular tires and rolling resistance
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 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.