Marginal Gains Cycling Podcast, Presented by Silca

AJA #52: Protocol Tire Tech-Cargo Bibs-Long Sleeves for Aero

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 dis

Leadville Trail 100 Bike Tech

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.

Darren Baum - How Bikes Behave

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 b

Paige Onweller - Details Matter

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 think

AJA #51 Road Spray Aerodynamics and Argon Gas in Tires

Josh sinks his teeth into questions on turning road spray on a frame into aerodynamic information, Argon gas in tires and deep, carbon wheels for XC mountain bike racing.

Rolling Resistance Testing with John Karrasch

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

Inflatable Inserts and Radial Tires

It's funny how tubeless freed is from tubes and years later some of us turned to putting something else in the space between rim and tire. Namely inserts. Most of them ar

AJA #50 Inserts-Optimal gears-Narrow Bars

Our 50th Ask Josh Anything! That's a lot of questions and answers and "It Depends." Thanks for hanging with us to the mid century mark. On the Q&A agenda this episode:

Sea Otter Pt. 2 - Big Wheels Keep on Rollin'

Our first episode that covered the topic of 32 inch wheels focused on the bigger wheels being used on mountain bikes. Daniel Yang of Neuhaus Metalworks put us on a protot

Sea Otter Pt. 1 - Hooked on Road Wheels

We're not afraid to share an opinion on this show. At no time was that more apparent then when Josh let his thoughts known about hookless road wheels. It caused a bit of

From Bike Magazines to YouTube with Ben Delaney

It feels like now more than ever it is important to find sources of information and reporting that are trustworthy. It used to be fairly easy: subscribe to a credible out

Building Zipp with Andy Ording and Josh

Josh has spoken on many occasions about his time with Zipp. The engineering. The R&D. The wins. The fails. Josh was part of a team that changed the scene, both for pro an

AJA #49: Helping Fatty Everest (A Marginal Gains Intervention)

Fatty drops a bombshell: he's turning 60 and attempting an Everesting challenge this June — and he needs Josh and Hottie to marginal-gain every aspect of the ride. From c

Rethinking Bidons with Bivo and Carina Hamel

Most of us hardly give those water bottles in our cages a second thought. It's plastic. It's there. It's got what we need. But in the late 20-teens, Carina Hamel and her

AJA #48: Travel Kits, Drop Bar Drama, and Rants About Beeps and Boops

Josh answers listener questions about essential race-day gear, from what to pack for Cape Epic to whether digital torque wrenches are worth the beeping. We into Lifetime'

Getting AiRO with Ingmar Jungnickel

For most of us getting into a wind tunnel is but a dream. Tunnels are hard to find and harder to afford. As an alternative Josh has recommended the Chung Method. It's pro

AJA #47: Aluminum Velodromes, Forever Chemicals, Big-Wheel Aesthetics, and valve stem nerdery

This Ask Josh Anything grab-bag starts with Tucson's new aluminum velodrome, evolves (devolves?) into altitude hacks for hour records, "no-rules" speed dreams, and holida

Melisa Rollins: From Hand-Me-Downs to Leadville Champ

Fatty sits down with 2024 Leadville champion (and his daughter) Melisa Rollins to discuss her meteoric rise from riding borrowed bikes to the professional peloton. Joined

AJA #46: Safety Pins, TPU Wins & Indoor Suffering

Josh tackles why we're still pinning race numbers instead of printing them on jerseys, then dives into the tech story behind Silca's translucent TPU tubes. We talk about

32er Test Ride with Daniel Yang

We rarely chase trends or product announcements on the Marginal Gains Podcast. The news of the day we mostly leave to other shows. So allow us while we make an exception