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
Lennard Zinn answers questions about how you can run a mix of different parts and gets a tip on how to help out a weak derailleur.
This week, Lennard Zinn addresses reader questions about, among other topics, Specialized's recent time-saving claims
This week, Lennard Zinn addresses reader questions about routing cables, mixing drivetrain parts, and more
One reader reaches out to Lennard Zinn for help with a twisted foot that has caused him knee pain