Lennard Zinn

Simple tips and clever tricks for getting stubborn tubeless tires mounted on rims.

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We tested on a rough lab surface at pressures from 22-87psi, and investigated various construction methods, puncture protection strategies, and the tradeoffs of tread patterns.

What causes tires to absorb more or less of a rider’s energy?

A real-world example of how rolling resistance impacts effort, and duration, over a 200-mile gravel ride.

Do weights of tires factor into the amount of energy required to turn them, and discussions of what causes front-end shimmy.

Is the pro peloton finally catching up to Lennard Zinn’s predictions about dropper posts? More disc brake maintenance tips.

A refresher in Isaac Newton’s laws of physics as they pertain to materials used in bicycle fabrication.

A story on how to insert yourself in a Grand Tour gruppetto.

In this week’s Technical FAQ, Lennard Zinn discusses riding while on anticoagulants.