Dear Lennard, I’ve destroyed every aluminum freehub I’ve ever ridden (see attached photo). I gouge the cassette into the hub so
Lennard Zinn answers questions about the U.S. pursuit team's baggy gloves, the fastest way over a bump in the road, and Bookwalter's TT
This week, Lennard Zinn takes a closer look at American Mara Abbott's near-miss in the women's Olympic road race.
How does a sprinter's bike throw actually work? Lennard Zinn dives into the physics of rider weight, bike acceleration, and more.
Lennard Zinn explains how a finish-line camera really works after a viewer sees something weird in Tour de France TV coverage.
Lennard Zinn answers questions about max tire pressure, how to stop chain drops, and the Tour de France's falling 1km-to-go arch.
Lennard Zinn takes questions about an adjustable seatpost, mixing drivetrain components, and updates on previous columns.
Lennard Zinn addresses a variety of questions — including one regarding the use of a soda can to fix a slipping carbon seatpost.
Lennard Zinn talks to a host of industry experts about why labeled tire sizes can be so inconsistent.
Lennard Zinn answers questions about off-brand Campagnolo-compatible chainrings, infrared motor checks, and nitrogen for tire inflation.