October 29, 2022, Philly Bike Expo. Bicycle Geometry for the Designer and Rider
November 6, 2021, Philly Bike Expo. Modern Bicycle Design and Engineering for the Framebuilder
October 29, 2022, Philly Bike Expo. Bicycle Geometry for the Designer and Rider
November 6, 2021, Philly Bike Expo. Modern Bicycle Design and Engineering for the Framebuilder