Are 32-Inch Wheels Actually Faster? (with Jan Heine & John Karrasch)

Opublikowano: 2026-09-11

Featuring: Mike Levy, John Karrasch, and Jan Heine Does a 32-inch wheel actually save watts, or is the testing methodology broken? We put Chung Method advocate John Karrasch and vocal critic Jan Heine in the same room to hash out the reality of rolling resistance. This week, the usual crew steps aside to host a direct debate between two of the most outspoken voices in tire tech. John Karrasch (aka flexfitbyjohn) has generated massive datasets using the Chung Method, recently claiming that adopting 32-inch wheels can improve rolling resistance by up to 10%. On the other...