Lennard Zinn writes a follow-up about his heart arrhythmia to explain how exercise can cause irreparable harm to the organ.
This week, Lennard Zinn addresses questions about the quick release recall, bottom brackets, and using chain wax before a rainy ride.
Zinn explains two new 'cross accessories that he finds essential for easy wrenching and happy riding this fall season.
Lennard Zinn provides five highlights from his trips to bike trade shows this year, a list that includes some high-tech gadgetry.
Lennard Zinn tackles questions about a perplexing problem involving road disc brakes and a titanium frame, SRAM eTap, and other topics.
Lennard Zinn explains the fundamentals of why wheels fail when ridden hard by heavier riders and how to build a stronger wheel.
Lennard Zinn tackles reader questions about, among other topics, adjusting cranks for children to use safely.
Lennard Zinn tackles a question about an aero helmet test one reader says has "fuzzy" parameters.
Lennard Zinn helps a reader sort out rim options for his Powertap and considers cleaning techniques for disc-brake road bikes.
Lennard talks drafting science and derailleur setup in this week's Tech FAQ