Kris Keefer puts bikes, gear, accessories, hard parts... you name it, through the paces to bring you the straight verdict.
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Welcome to the Mountain Dude Podcast, brought to you by Initial Ascent – where we share stories of grit, determination, and the relentless pursuit of growth. This is a space where backcountry hunting meets the deeper lessons of life – success born from struggle, and the art of carrying heavy loads more comfortably, both physically and metaphorically, through faith and perseverance.
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Sponsored by Pandora’s European Motorsports in Chattanooga, TN, "Throttle Stop" is the go to for tips and stories on two wheels. Hosted by Matt, Justin, and Jeff, “Throttle Stop” dives deep into everything that makes riding great. These guys aren’t just reading specs off a sheet; they’re real riders who live and breathe motorcycles. Whether they’re breaking down the latest Ducati that’s got everyone buzzing, or talking about the precision of a BMW, you can tell they’ve been there, done that, ...
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Welcome to the CASTELLI podcast, your exclusive access to the iconic brand that has revolutionized how pro-riders dress and pushed the boundaries of cycling clothing performance for decades. This is the pod you never knew you needed, whether you're a roadie, triathlete, mountain biker, graveler, track rider, or someone who simply loves commuting on your city bike. In each episode, we are joined by people from the world of cycling to learn the best practices for peak performance, how to dress ...
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They've Killed Over 20 wolves! Justin and Kate Small
1:09:30
1:09:30
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1:09:30Justin and Kate Small, two of the best predator hunters on the planet, share their expertise on wolf hunting tactics that can make you a more effective hunter. • Kate's background includes nursing in Tanzania where she spent four months providing healthcare in poverty-stricken areas, including two months living with the Maasai tribe • Justin grew u…
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Ever wondered what it's like to ride the Club MX facility? What about how it's ran? Is it the best motocross training facility in the United States? Listen as Aden and Kris Keefer talk about their experience visiting/riding the Club MX grounds.
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In this episode, our host Chris Young shares the full story of his 2025 Idaho spring bear hunt. From rivers crossed with pack rafts to glassing for days in high mountain wind, this conversation captures the highs, lows, and lessons of a truly special backcountry experience. Along the way, Chris reflects on the power of sticking it out until the las…
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Show #433 - 2025 Yamaha YZ250 Garage Build
1:03:08
1:03:08
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1:03:08Two stroke fever! Listen as Eddie Laret and Keefer talk about their latest Garage Build that involves the YZ250 two stroke! Bickering about the two stroke fun factor, Mark from REP discusses suspension set up, who the two stroke is for these days and what was done to this specific build all in this show.…
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In this episode of the Mountain Dude Podcast, filmmaker and backcountry hunter Martin Chagnovich shares the story behind his film Chasing 200, which documents his years-long pursuit of a 200-inch mule deer buck in the rugged Utah mountains. The conversation explores Martin’s roots in hunting, growing up in a hunting family, and turning his outdoor …
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Laying the Foundation: Welcome to the Mountain Dude Podcast
12:45
12:45
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12:45In this kickoff episode, host Chris Young along with the Initial Ascent owners Joe Elliston and Dennis Stokes gather around the table to set the stage for something bigger than gear talk or hunting stories (though you’ll get plenty of both). This podcast is about diving deep into faith, failure, triumph, and the relentless pursuit of becoming bette…
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Show #432 - Loretta Lynns Regional Qualifier Show
1:23:27
1:23:27
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1:23:27The Keefer family go over their Lorettas SW Regional Qualifier from Fox Raceway and talk about the track, how the day was ran, who was fast, fights breaking out, huge crashes and a lot more from this recap of Lorettas season.
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Show #431 - 2026 Ducati Desmo 450 MX First Ride
59:01
59:01
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59:01The iconic Italian brand allowed us to ride their new 450 Desmo MX machine in Bologna and in this episode we break it all down for you. What is like to ride the Ducati motocross machine? What does the Desmo valvetrain feel like? Is this bike competitive out of the box? All of these questions answered and then some right here.…
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Show #430 - KTM 350 SX-F Dual Injector Garage Build
1:11:13
1:11:13
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1:11:13Keefer grabs Chad from XPR to discuss the latest KTM 350 SX-F build. Dual injection, ported head, exhaust flange and a Vortex ECU grace this bike with big results. Learn more about this simple yet effective build on this episode.
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Show #429 - 2025 Honda CRF250RX Review
1:11:40
1:11:40
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1:11:40Keefer brings in one of his hybrid test riders (Gardner Tarlow) on this episode to breakdown the 2025 Honda CRF250RX. How good is the new chassis in off-road conditions? Is the updated engine help the little red ride gain some torque? Is the updated Showa suspension better for bigger riders? All of this and of course we have some extra curricular t…
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STEVE SMITH | Most Effective Marginal Gains, Wind Tunnel Testing, Giro d'Italia Race Kit
55:40
55:40
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55:40Join us as we dive into the cutting-edge world of aerodynamic cycling apparel with Steve Smith, Castelli Brand Manager, Lifelong Marginal Gainer. From the evolution of the iconic maglia rosa for the Giro d’Italia to the latest innovative firsts, Steve shares how rider feedback, wind tunnel testing, and meticulous design come together to create high…
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Show #428 - Listener Questions/Q&A Special
1:37:25
1:37:25
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1:37:25Keefer dives deep into your questions on this special Q&A episode. Learn about triple clamp designs, dual injector systems, the effect of dynos, Kawasaki reliability, Training for motocross while working full time, how to get into moto photography and more in this episode.
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GIRO D’ITALIA | Castelli Innovations, Giro Legends, and the Maglia Rosa
17:06
17:06
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17:06Dive into the thrilling history of the Giro d’Italia and its most iconic symbol—the Maglia Rosa. From its origins in 1909 to the groundbreaking innovations Castelli introduced to the peloton, we celebrate the legends, the legacy, and the evolution of cycling’s most coveted jersey. Discover how the race began, why pink became the color of victory, a…
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SAMUEL SÁNCHEZ | Aero Gear, Olympic Gold, Gravel Racing, Next Gen, Life Lessons on Two Wheels
1:05:15
1:05:15
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1:05:15In this episode, we sit down with Samuel Sánchez, a legend of the sport and Olympic gold medalist, to reflect on his remarkable career and the evolution of the sport over the past three decades. Samuel takes us through his journey from a young aspiring cyclist to Olympic champion, sharing insights into the highs and lows of his career. He talks abo…
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Show #427 - 2025 Yamaha YZ125 Breakdown/Settings/Tips
49:36
49:36
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49:36Got a newer Yamaha YZ125? Then this podcast could be for you! Learn about Yamaha's small bore two stroke offering and get the details on how to set it up, who this bike is for, why you should keep your child on a 125 when they are graduating from an 85cc machine, which mods work well for the bLU crU two stroke as well as a special guest to talk abo…
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Show #426 - 2025 KTM 350 SX-F Mod Build
1:31:44
1:31:44
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1:31:44In this episode Keefer brings in his buddies David Martinez (AKA, Fireman Dave) and Eddie Laret to discuss the latest Twisted Development KTM 350 SX-F build. How built is this engine? Who is this mid sized beast for? What is it like to ride a built KTM 350 SX-F? We even get Jamie Ellis on the show to discuss a breakdown of engine parts as well as h…
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Keefer takes you through some of the best Renthal bends for your new MX machine as well as gives you explanations on why each dimension fits your size as well as your bike the best. If you want the best rider triangle for your type of riding, listen to this show and learn.
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YVES LAMPAERT | The Yellow Jersey, Classics, Farming vs Cycling Parallels
52:03
52:03
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52:03Yves Lampaert is more than just a Roubaix warrior—he’s a farmer’s son with deep Belgian roots, a love for tractors, and a passion for the Queen of the Classics. In this episode, we go beyond the finish line to explore the brutal beauty of Paris-Roubaix, Yves’ rise through the ranks at Soudal Quick-Step, and the surprising parallels between farming …
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Adventure Awaits: Empowering Women in Motorcycling with Rachel from Alabama Adventure Riders
1:08:06
1:08:06
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1:08:06In this episode of the Throttle Stop Moto Podcast, hosts Justin and Jeff welcome Rachel from Alabama Adventure Riders to discuss her passion for motorcycling, camping, and leading group rides. Rachel shares her personal journey into the biking world, beginning with an old Saks moped and her father's adventurous spirit. They delve into the importanc…
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Show #424 - Loretta Lynn's SW/MW Area Qualifier
1:29:07
1:29:07
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1:29:07The Keefer family sit down and recap the weekend of the SW/MW area qualifier from Glen Helen. Get the details on who was fast, how the track shaped up, how much it cost and of course all of he inner workings of what went on internally as a family. It's like you were there!
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Show #423 - Building A Modified 2025 Kawasaki KX250
1:11:19
1:11:19
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1:11:19Kris and Aden Keefer sit down to talk about their latest 2025 KX250 Garage Build. This build is meant to go amateur motocross racing so if you want to get the ins and out of what is done to this Team Green machine, listen as both Keefers break it down along with special guest, Jamie Ellis.
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Racing Roots and Riding Community: A Journey with Matt and Terri Lynn
1:10:13
1:10:13
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1:10:13Join Matt and Terri Lynn as they dive into the exhilarating world of motorcycling in the latest episode of the Throttle Stop Motorcycle Podcast! This episode features lively conversations about their extensive experiences in the motorsports industry, touching on everything from road racing to the evolving landscape of electric bikes. The duo shares…
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KIM (LE COURT) PIENAAR | Chasing Dreams on Cycling’s Toughest Roads
51:51
51:51
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51:51This week, we bring you an inspiring story of resilience, talent, and the relentless pursuit of a dream. Our guest, Kim Le Court Pienaar, is a rising star in the Women’s World Tour, proving that it’s never too late to chase greatness. When Kim turned pro, many riders have already made their mark—Kim wasted no time in doing the same. In her debut se…
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Show #422 - 2025 Husqvarna FC250 Rockstar Edition Review
57:42
57:42
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57:42Keefer walks you through the change points in the 2025 Husqvarna FC250 Rockstar Edition as well as if those changes are worth/felt on the track.
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Show #421 - 2025 Honda CRF450RX Six Hour Torture Test
1:35:15
1:35:15
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1:35:15Keefer brings in Gary Sutherlin and his friend Kelly Gelhaus to talk about their "Six Hours Of Glen Helen" experience with the 2025 Honda CRF450RX. That's right we let Gary and Kelly take our brand new Honda test machine to see what the pros and cons are of the red machine while under racing conditions. Learn about Honda's hybrid moto/off-road 450 …
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PAUL MAGNIER | From MTB to the Worlds Tour, Sprint Power, Classic Dreams
41:31
41:31
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41:31French sensation Paul Magnier has taken the pro peloton by storm, and now the 20-year-old is set to support Soudal Quick-Step into the northern classics. With his explosive power, endurance, and fast finishing kick, could he be the next Tom Boonen or Bernard Hinault? In this episode, we break down Magnier’s rapid rise, his potential in sprints and …
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Keefer breaks down the 2025 250 MXers and walks you through each of their strengths and weaknesses. He also picks his favorites, but talks about why each one of these new 2025 250 MX'ers could be a viable choice for you.
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Show #419 - 2025 Beta 450RX Post First Impression
54:56
54:56
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54:56Keefer breaks down Beta's latest 450cc motocross offering and gives you all some information post the Racer X first impression. Is the Beta still as good on different types of tracks? Is the 450RX a viable option for someone that is in the market for a new motocross machine? Get a more in depth look inside the Beta on this episode.…
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Show #418 - The Ins And Outs Of A Test Rider
1:09:52
1:09:52
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1:09:52Keefer breaks down the steps it takes to being a test rider, how you can become one yourself, some of the falsehoods that come along with test riding, what are some of the secrets that some tests riders don't want you to know and a lot more about one of the most coveted "jobs" in the industry.
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Show #417 - Suspension Talk with Mark Johnson from REP Suspension
1:25:19
1:25:19
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1:25:19We get mark Johnson from REP Suspension on the phone to take your questions as well as talk about suspension set up, myths, set up advice, A-Kit, adjustments and general things you can do to make your bump sticks work better on the track or trail.
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Show #416 - Living With The 2025 Suzuki RM-Z450
56:25
56:25
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56:25When you only have a few test riders under the Keefer Inc. umbrella, who do you choose to babysit the RM-Z450? In this episode we talk to Rob Imondi as he is the one responsible for our RMaRMy and how this bike helped him get back into riding a dirt bike as well as how it has been the most fun he's had in a long time! If you have or are maybe think…
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Show #415 - 2025 Triumph TF-450 RC Edition Re-Visit
1:16:38
1:16:38
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1:16:38We took delivery of our Triumph TF-450 RC Edition on the west coast so we take it out to some of our local tracks, in order to see if the Triumph feels similar to when we left it in Georgia back in November. How does the chassis, engine and suspension stack up against other models on the same tracks? Listen to Keefer break it down on this show!…
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Show #414 - 2025 Gas Gas MC450 Factory Edition
1:07:11
1:07:11
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1:07:11Keefer walks you through the new Gas Gas Factory Edition and lets you in on if this bike is better than the standard MC450. With an increase in 2100.00 from the standard MC450, is this something you can feel on the track? Who is this bike for? Why would you want a Gas Gas over a KTM? All of this as well as some comparisons with other brands in this…
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ANTOINE HUBY | How Cyclocross Shapes Champions!
57:48
57:48
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57:48Whether you’re a passionate cyclocross fan or just curious about the sport, this episode is packed with insights, inspiration, and everything that makes bike racing such a dynamic and evolving discipline. Today, we’re joined by Antoine Huby, a rising talent in cycling from the Brittany region of France. Antoine made a name for himself in cyclocross…
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Show #413 - RP Throttle Body Talk With Jamie Ellis (2025 YZ450F Garage Build)
1:18:24
1:18:24
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1:18:24Keefer sits down with Jamie Ellis from Twisted Development to talk about the secret under the fuel tanks of some professional MX/SX teams. Can you tame down the YZ450F enough to ride it harder/longer? Is the cost of this throttle body felt enough on the track? What other teams are using an aftermarket throttle body on their bikes? What exactly is t…
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URŠKA ŽIGART | Unfiltered: Life with Tadej, Challenges, Season Goals, Team Pika, Empowering Women
1:02:11
1:02:11
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1:02:11📺 Watch the full episode on YouTube, and don’t miss your chance to win a VIP experience for the Giro d’Italia Women this July with a chance to meet the ladies of AG Insurance Soudal. Share your favorite moment or quote from this episode in the comments to enter! The winner will be announced in a pinned comment on March 4, 2025, and contacted direct…
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Show #412 - A 2025 KTM 250 SX and Finding The Love For Riding Again
1:24:15
1:24:15
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1:24:15We have a unique show this week as we get Dallas Dunn in studio to talk about how a 2025 KTM 250 SX two stroke helped him find the love for riding again. This is not your traditional bike review as we dive deep into what this bike can do but also how a two stroke can make the flame for riding ignite again. We will break down the orange pumpkin and …
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Show #411 - Modified Comparison (2025 Yamaha YZ250F vs. Honda CRF250R)
1:16:33
1:16:33
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1:16:33Keefer gets a modified YZ250F with a second injector, Vortex ECU as well as an FMF muffler to go against a Honda CRF250R with a ported cylinder head, HC piston, Vortex ECU and Akrapovic muffler in order to see which one is better. Different mods may have different outcomes on the track so we dissect these mods and even call up the guy who built the…
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ETHAN HAYTER | Britain's Cycling Ace - New Team, New Goals
37:40
37:40
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37:40Join us for an inspiring conversation with one of Britain’s most versatile and exciting cyclists—Ethan Hayter. In this episode, Ethan reflects on his journey from turning pro with Team INEOS in 2020 to signing with Soudal Quick-Step for the next two seasons—a team with Grand Tour and Classics ambitions, while also working to help Ethan rediscover h…
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Show #410 - 2025 Kawasaki KX 450SR vs. Honda CRF 450RWE
44:43
44:43
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44:43Keefer breaks down the differences between. the red and green "edition" bikes and tells you what might be the better choice for you. In this episode we will cover chassis stability, engine character, suspension and even ergonomics to inform you which color could be that glass slipper you're looking for.…
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The new 2025 Kawasaki KX450 SR is here and Keefer walks you through what it's like to ride the new green machine. Does the new SR have enough power? Is the suspension valving that much different than the standard model? Listen in and see if the new SR is the right bike for you!
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Show #408 - Which One? The 2025 Honda CRF450R or CRF450R Works Edition (Test Review)
1:25:20
1:25:20
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1:25:20Keefer compares the two new Hondas and breaks down the differences out on the track. Is a 2025 CRF450R with re-valved suspension better than a RF450R Works Edition? Which bike is best for which type of rider? Is the 3000.00 mark up of the Works Edition worth It over the standard "R" model? Keefer and Eddie Laret break down these bikes and these typ…
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Show #407 - Q&A Show Your Questions Answered!
1:38:32
1:38:32
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1:38:32Kris, Heather and Aden answer your questions. In this episode they discuss amateur motocross and where it's headed, why it takes more than winning to make it nowadays, podium etiquette, as well as a bunch of your bike tech questions answered. Strap in as this show gets a little passionate!
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Show #406 - The AMA National Hare N Hound Experience
2:08:06
2:08:06
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2:08:06My buddy "Janky Mike" and I decided to go race the last AMA national Hare N Hound of they year in Lucerne Valley, Ca. In this episode we break down the event itself, how racing a factory Husqvarna went, why I got docked 5 minutes, why Mike got an anxiety attack, why you have to be crazy to get a holeshot on a bomb run, how tough these races are, wh…
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NATHAN HAAS | Ep. 2: Eye-Catching Jersey Designs, Journey into Pro Cycling
38:03
38:03
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38:03In this second episode, Nathan Haas shares his inspiring journey from being a young, talented athlete in Australia to racing for some of the sport's biggest World Tour teams. He discusses the challenges he faced transitioning from downhill mountainbiking to road racing, the importance of team dynamics, and the evolution of Girona as a cycling hub. …
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Show #405 - 2025 Triumph TF-450 RC Edition First Impression
1:17:33
1:17:33
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1:17:33Triumph had us out to their race facility in Culloden, Georgia to test out their 2025 TF-450 RC Edition. In this show we will go over what this bike feels like on the east coast clay, what it compares to on the track, how it would stack up against a Yamaha/KTM/Kawasaki, if the KYB suspension is as good as the YZ and A LOT of your questions answered…
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NATHAN HAAS | Future of Gravel Racing, Girona’s Cycling Culture, Gabba R
48:50
48:50
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48:50Nathan is a household name in cycling, having raced at the World Tour level for 10 years, participated in all Grand Tours, and sparked many conversations about the present and future of gravel cycling—all while achieving top results and inspiring others. In this action-packed episode, we sit down with Nathan to explore gravel riding, the best route…
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Show #404 - 2024 Dubya USA World Vet Recap
1:39:12
1:39:12
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1:39:12Matt Sirevaag, Darkside and Keefer recap the World Vet race at Glen Helen. From Matthes and Fireman Dave battles, off track shenanigans to fights almost breaking out in staging, we got you covered like you were there. An event that brings out all the fun and hatred for dirt bikes! There is NOTHING like World Vet Weekend!…
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Keefer walks you through all of the media 450 shootout results as well as discusses each bike and why it may have ranked where it did. Keefer will also give his rankings then give you three must have modifications for each bike to make it better, then see if those mods will help that bike improve its ranking/results!…
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GAIA MASETTI | The Rising Italian Star, Positive Vibes All Around!
36:37
36:37
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36:37At just 22, Gaia Masetti is already making waves in the women’s WorldTour. With a deep passion for cycling that began in childhood, Gaia has raced in some of the biggest events on the calendar as part of the AG Insurance Soudal team. In this episode, Gaia reflects on her journey from winning her first race at the age of six to turning pro at just 2…
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