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Artwork for Marginal Gains Cycling Podcast, Presented by Silca

Marginal Gains Cycling Podcast, Presented by Silca

SILCA
Cycling
Aerodynamics
Shimano
Wind Tunnel Testing
Silca
Gravel Racing
Chain Waxing
Bike Fitting
Cycling Performance
Wind Tunnels
Cycling Technology
AIRO
Rolling Resistance
Lifetime Grand Prix
Hookless Tires
Tandems
Leadville Trail 100 Mountain Bike Race
Marginal Gains
Cycling Industry
Cycling Maintenance

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.

PublishesTwice monthlyEpisodes143Founded8 years ago
Number of ListenersCategories
WildernessSports

Listen to this Podcast

Artwork for Marginal Gains Cycling Podcast, Presented by Silca

Latest Episodes

Hottie and Fatty pepper Josh with tire questions. Specifically what is and is not a radial casing and how his team was able to move towards a radial ply angle without disrupting tire stability. Josh also explains how they arrived at Protocol's knob s... more

The Leadville 100 Mountain Bike Race has long been grounds for equipment tinkering and experimentation with the hopes of shaving minutes .. even seconds off finish times. Drop bars on mountain bikes at Leadville may seem recent but actually it was fi... more

If Bike sales were purely based on a beauty contest, Baum Cycles would be at the top of the charts. Baums are stunning, Titanium machines. Most of them are custom built by an out-of-the-box thinker in Geelong, Victoria, Australia: Darren Baum.

But... more

While listening to Paige Onweller answer our questions, we found ourselves wishing we could be more like her. Wishing we had her organizational skills, her critical thinking, her ability to adapt quickly. Paige has the tools to be the kind of Margina... more

Key Facts

Accepts Guests
Accepts Sponsors
Contact Information
Podcast Host
Number of Listeners
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Recent Guests

Paige Onweller
Athlete featured in Leadville segment, discussed bike setup and course changes
Trek Driftless team
Episode: Leadville Trail 100 Bike Tech
Zack Calton
Ventum racer with insights on Ventum 32 Tour platform
Ventum
Episode: Leadville Trail 100 Bike Tech
Emma Langley
Ventum racer, Leadville participant on prototype 32" bike
Ventum
Episode: Leadville Trail 100 Bike Tech
John Gaston
Off-road endurance athlete, skimo racer, commentator on Leadville kit
Independent athlete
Episode: Leadville Trail 100 Bike Tech
Darren Baum
Founder of Baum Cycles, custom bike frame builder from Geelong, Australia
Baum Cycles
Episode: Darren Baum - How Bikes Behave
John Karrasch
Pro bike fitter at Cahaba Cycles in Birmingham; tire tester and data collector for CRR/rolling resistance
Cahaba Cycles, Birmingham
Episode: Rolling Resistance Testing with John Karrasch
Jacob Hinton
Representative from Odyssey
Odyssey
Episode: Inflatable Inserts and Radial Tires
Jason Ganey
Delium testing/engineering representative
Delium
Episode: Inflatable Inserts and Radial Tires
Michael Hodin
Guest introducing himself on air
Global Public Health Institute (as inferred from intro)
Episode: AJA #50 Inserts-Optimal gears-Narrow Bars

Host

Michael Hutton
Co-host, often introduces guests and topics; anchors discussions with manufacturing and product development perspective

Reviews

4.9 out of 5 stars from 521 ratings
  • Very Informative

    All details of bikes with the why behind them. This podcast is addictive and motivating

    Apple Podcasts
    5
    Blues caster
    United States5 months ago
  • Love to geek out on marginal gains!

    Podcast Addict
    5
    VanillaGorilla
    2 years ago
  • Entertaining & will help you go faster!

    Fantastic podcast - really great discussion of how to go faster on a bike technically and super fun to listen to.

    Apple Podcasts
    5
    Jpgct
    United States2 years ago
  • Terrific

    The latest podcast with John Cobb was excellent storytelling! John’s deep experience, humility and ability to paint a picture through words was a great listen to anyone interested in bikes, engineering or problem solving. Good job to Josh for knowing when to talk and knowing when to listen!

    Five stars!

    Apple Podcasts
    5
    MTS1776
    United States2 years ago
  • Great Pod!!

    Great Pod!!

    Apple Podcasts
    5
    JimV 1
    United States3 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Guests and hosts are seen as knowledgeable and engaging, delivering practical takeaways for brands and riders.
Feedback highlights well-produced episodes with clear storytelling, though some listeners want less sponsor-forward content and faster delivery of core material.
Listeners praise the nerdy depth on cycling tech and engineering, with a strong appreciation for data-driven insights.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

Darren Baum - How Bikes Behave
Q: What sparked the Darren Bike concept and gravel progression?
The Darren Bike emerged from a need to quickly and repeatedly test geometry in real-world gravel conditions, featuring adjustable head angle, bottom bracket height, flipable seat post, and other modifiable components to explore what truly affects handling and stability.
Darren Baum - How Bikes Behave
Q: Darren, how did the bike enter your life?
From a young kid watching races on the road near his hometown, to learning frame building and then turning that passion into a career, Darren describes how early experiences, mentorship, and hands-on work in shops propelled him toward creating Baum Cycles and a unique approach to fitting and geometry.
Paige Onweller - Details Matter
Q: How do you approach tire testing for Unbound and other big gravel events?
Paige described a two-pronged testing approach: preparing for failures (quickly fixing flats on the go) and evaluating tire selection by weighing tires, measuring widths on different rims, and charting rolling resistance versus pressure to optimize durability and performance in long gravel events.
Paige Onweller - Details Matter
Q: Take me through your wind tunnel day and the big takeaways there for both of you.
The wind tunnel day revealed how small, practical details—like hair management, clothing placement, and equipment positioning—can produce meaningful aerodynamic gains; Paige and Josh discussed the process of testing and iterating, and Paige shared how these experiments translate into real race tactics and marginal gains.
AJA #51 Road Spray Aerodynamics and Argon Gas in Tires
Q: How viable is road-spray visualization for real-world aero gains on consumer bikes?
Road-spray visualization can reveal where flow attaches or separates, but translating those observations into actionable adjustments on consumer bikes is complex; it's more of a diagnostic tool to guide further CAD tweaks or targeted testing rather than a direct, immediate upgrade.

Audience Metrics

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Frequently Asked Questions About This Podcast

What is This Podcast about and what kind of topics does it cover?

The show focuses on the smallest details that drive big performance gains in cycling, combining rigorous testing, data-driven experimentation, and in-depth conversations with engineers, athletes, and industry leaders. Listeners get access to practical insights on gear testing, wind-tunnel findings, tire and wheel development, and how brands translate marginal gains into real-world performance. A distinctive edge is the blend of technical rigor, storytelling, and strong industry context, with frequent guests from run-throughs of product design to athlete preparation, all framed by a team that emphasizes curiosity, transparency, and a passion for solving hard problems in cycling.

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Which podcasts are similar to this podcast?

These podcasts share a similar audience with this podcast:

1. Ask a Cycling Coach Podcast - Presented by TrainerRoad
2. The Matchbox - A Cycling Podcast
3. Geek Warning
4. Bonk Bros
5. With Pace

How many episodes of this podcast are there?

this podcast launched 8 years ago and published 143 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on this podcast?

Recent guests on this podcast include:

1. Paige Onweller
2. Zack Calton
3. Emma Langley
4. John Gaston
5. Darren Baum
6. John Karrasch
7. Jacob Hinton
8. Jason Ganey

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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