Lennard Zinn

Our longtime technical writer joined VeloNews in 1987. He is also a framebuilder, a former U.S. National Team rider, and author of many bicycle books, including Zinn and the Art of Mountain Bike Maintenance and Zinn and the Art of Road Bike Maintenance, as well as Zinn and the Art of Triathlon Bikes and Zinn’s Cycling Primer: Maintenance Tips and Skill Building for Cyclists, and The Haywire Heart. He holds a Bachelor’s degree in physics from Colorado College. Readers can send brief technical questions to Ask LZ.

By Lennard Zinn Published Jun. 19, 2018

Lennard Zinn fields some questions regarding an ongoing project of his — determining the ideal tire width.

By Lennard Zinn Published Jun. 5, 2018

Lennard Zinn addresses a host of questions this week that range from tire widths to wide-range cassettes.

By Lennard Zinn Published Jun. 4, 2018 Updated Jun. 5, 2018

We went to the laboratory (and the dirt roads) to figure out whether low tire pressure is not only more comfortable but also faster.

By Lennard Zinn Published May. 29, 2018 Updated May. 30, 2018

This week, Lennard Zinn addresses reader questions about a host of issues.

By Lennard Zinn Published May. 22, 2018 Updated May. 29, 2018

Lennard Zinn addressed a follow-up question regarding a recent column about coasting downhill and the forces that come into play.

By Lennard Zinn Published May. 15, 2018

Lennard answers a reader's question about his Shimano Di2 shifting and explains why hoop stress can damage rims.

By Lennard Zinn Published May. 1, 2018

Lennard Zinn addresses questions relating to coasting vs. pedaling downhill and other topics.

By Lennard Zinn Published Apr. 25, 2018

Lennard Zinn summarizes some of what he encountered during the recent Sea Otter Classic.

By Lennard Zinn Published Apr. 24, 2018

Lennard Zinn answers questions about Michael Goolaerts's fatal heart failure at Paris-Roubaix.

By Lennard Zinn Published Apr. 10, 2018 Updated Apr. 11, 2018

Television cameras caught Peter Sagan tightening the bolts of his stem while pedaling at high speeds during Paris-Roubaix.