bike geometry

Lennard Zinn answers questions about cockpit aerodynamics, wide tires, and sticky components.

Technical advice about bike geometry, high-speed shimmy, and plugging tubeless tires.

Our technical guru answers questions about bottom brackets, floor pump gauges, older Campy style cable housing, and frame geometry.

Handling is all about balance, but if you are looking for a single number to determine ‘twitchy’ or ‘stable,’ look to a bike’s trail number.