Spurgeon Dunbar and Zack Courts co-host in-depth conversations about the most exciting topics in the world of motorcycles. Produced by RevZilla's Media & Content team, Highside/Lowside features the insights and opinions of the most prominent moto-minds in podcasting.
We welcome Abhi Eswarappa, owner of Iconic Motorbike Auctions, to break down the surprising shifts in classic motorcycle values, highlight the "flops" that turned into high-dollar collector items, and look ahead to guess which 2026 motorcycles will be legendary classics in the year 2066. Plus, we deep-dive into the pricing of the new Suzuki SV-7 GX and find out if it's a true contender for the…
No matter what kind of motorcycle you have, Zack and Spurg have a ride for you! We're talking small bikes, big bikes, off-road bikes, cheap bikes, expensive trips, track days, wilderness rallies, everything! The duo also give personal summer updates, preview Get On Adventure Fest, and try to decide if that's a young Zack Courts on Facebook Marketplace, or an AI deepfake? Check out more from…
We're wrapping up season 12 with a listener-favorite… giving you the chance to ask Zack and Spurg any question you want! Should test rides be banned? Why don't US manufacturers make a range of bikes like the Japanese? What is Zack's beef with Kawasaki Vulcans?! And those questions and more… Plus, a Craigslist ad for a Suzuki GSX-R and Fiat 500 hybrid that you're not gonna want to miss! Check out…
Former President of the Los Angeles Lakers, Tim Harris, joins the show to discuss his life as a returning rider to answer the question: is it ever too late to start riding? Tim rode from age 16 to 22, then spent the next four decades "frozen in motorcycle ice" while building a family and a career. Now back in the saddle in his 60s, Tim shares the hilarious and humble reality of relearning the…
Zack and Spurg dive into the auditory soul of motorcycling and what makes an engine sound "iconic." From the rhythmic clatter of a Ducati dry clutch to the "vicious" scream of an Aprilia V4, we break down the sounds that transports us to the racetrack and the open road. We also pay tribute to the legendary Japanese industrial designer who survived the atomic bomb to create the iconic Kikkoman soy…
In honor of "Back to the Future" turning 40, industry experts like Ryan Fortnine, Matt Oxley, and Ari Henning take a trip back in time with Zack & Spurg to explore five massive motorcycle "What if" scenarios: What if Boeing built motorcycles? What if Harley-Davidson abandoned "heritage" for "cutting-edge"? How would a different World War II outcome have changed German and Japanese engineering?…
Is Marc Márquez the greatest of all time? To kick off the 2026 MotoGP season, Zack and Spurg sit down with legendary racing journalist and historian Mat Oxley to discuss why Márquez is a "generational talent". They dive into the incredible story of how Marc learned to save front-end slides with his elbows, the countless surgeries it took to keep him on the grid, and how Spain has created the most…
The $6,000 Harley-Davidson, Honda's automatic clutch, the "vicious" KTM 990 RC R superbike, and much, much more are discussed as Zack and Spurg preview the most exciting motorcycles, tech, and industry shifts coming in 2026! We also have an "Am I the A-hole" debate involving a delivery robot and a parked Harley… and we're joined by gear expert Pat McHugh to discuss the future of hearing…
Can you imagine crashing a superbike at a press event in a foreign country? Zack can! Zack Courts returns to the show and shares his experience (both on and off the track) at the KTM 990 RC R press event in southern Spain. Spurg & Zack also discuss changes in motorcycle policy at the Circuit of the Americas and whether or not a high BMW price tag is worth it off-road. Check out more from RevZilla:…
In the last episode before Zack's triumphant return, Spurg and guest host Ari Henning celebrate the 40th anniversary of the Suzuki GSX-R by digging into its rise, fall, and rebirth as one of the most prolific motorcycles in the industry. The guys also dive into the challenge of finding a good used GSX-R and discuss the "Gixxer Bro" culture. Plus, stick around for a very special Engine Sound…
The legendary Ryan from FortNine drops in to go deep into his most ambitious project yet: a feature-length documentary chronicling a record-breaking, 16-day motorcycle trip around the entire world. With Zack Courts still out on the mend, Spurgeon Dunbar is joined by CTXP producer Spenser Robert to ask Ryan about his chaotic time in India, the freezing "Nullarbor" of Australia, the logistical…