Marginal Gains Cycling Podcast, Presented by Silca

SILCA

The Marginal Gains Podcast, presented by Silca is the show that makes a big deal about the little things, and how those little things...can be a big deal. Josh Poertner of Silca, along with Hottie and Fatty, talk about all aspects of cycling — design, manufacturing, marketing, riding, racing, management and more, all from a thoughtful perspective. It's a podcast for the thinking cyclist.

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Marginal Gains Cycling Podcast, Presented by Silca

Episodes (100)

Mon Jun 8th Rolling Resistance Testing with John Karrasch
May 26th Inflatable Inserts and Radial Tires
May 11th AJA #50 Inserts-Optimal gears-Narrow Bars

Marginal Gains Cycling Podcast, Presented by Silca

Jun 8, 2026
51 minutes
59 MB

A favorite topic on the Marginal Gains Podcast is rolling resistance, also known as CRR. It is one of the cornerstones of this show. While we have interviewed aerodynamic experts who have devoted hundreds of hours to CdA, we have found very few who have made CRR their passion. Tom Anhalt was an early guest but we can't think of another since. That changes with this episode. John Karrasch makes a living from bike fittings. But John has made a name for himself through his tire testing. Using the Chung method, John has been putting tires to t...

Marginal Gains Cycling Podcast, Presented by Silca

Rolling Resistance Testing with John Karrasch

SILCA

00:00 -51:03