A smarter way to train without overdoing it.
“The CAROL Bike has been a true game changer for me. I have been an avid over trainer the majority of my life, but CAROL has allowed me to maximize my workouts without overdoing it.”
Use code DYLAN to get $300 off.
The shortest, smartest cardio workout for high performers.
Dylan Gemelli is a prominent figure in fitness and biohacking, known for his expertise in fitness, nutrition, cellular health, neuroscience, and anti-aging.
After a lifetime of avid overtraining, Dylan uses CAROL Bike to maximize his workouts without adding unnecessary volume. It fits the way he thinks about training: intense, efficient, and focused on long-term quality of life.
Dylan Gemelli on CAROL Bike.
He is the creator of the Dylan Gemelli Podcast, featuring discussions with experts and influencers across health. His podcast hit #1 in Health and Fitness in October 2025, reached the top 10 overall, and is also a top 10 trending podcast on Spotify.
Apple Podcasts · Episode 130 · 55 min
Dylan talks with CAROL Bike co-founder Ulrich Dempfle.
In this episode of The Dylan Gemelli Podcast, Dylan and Ulrich discuss REHIT, VO2 max, overtraining, and how CAROL Bike helps riders get powerful cardio results in a fraction of the time.
What makes CAROL fit Dylan’s routine?
Maximum output, minimum volume
CAROL Bike gives Dylan a way to train hard without stacking more long cardio sessions onto an already intense lifestyle.
AI-personalized resistance
Every ride adapts to the rider in the moment, making the workout suitable for different ages, fitness levels, and goals.
Built for health alignment
Dylan’s work connects fitness, biohacking, longevity, mind-body health, and total health alignment.
Dylan Gemelli
Your results,
supported by
science
Get Fitter
Improve your cardio fitness by 12% in just 8 weeks.
Save Time
Get all the benefits of a 45-minute run in just 5.
Live Healthier
Reduce your risk of type 2 diabetes by 62% - and your blood pressure by 5%.
Live Younger
Improving your VO2max by 12% is like turning your body clock back 10 years.
Join our 35,000+ rider community
Read real reviews from riders who’ve experienced CAROL’s benefits themselves.
From our community, who know us best.
Hear how scientists, fitness thought-leaders and self-optimizers get the most out of CAROL Bike every day.
Biohacker Approved
Dave Asprey, the father of biohacking on CAROL Bike: “This is real!”
“I love my CAROL Bike!”
Performance psychologist Dr. Michael Gervais.
Benefits of a 45-minute run-in just 5
CAROL riders on building a lasting habit with efficient workouts.
“Most Innovative Exercise Bike 2022”
As awarded by Garage Gym Reviews, the #1 trusted home gym equipment review site.
Good habits start here.
Dylan’s work focuses on improving quality of life through the mind-body connection, emphasizing that the mind and body influence each other. He also speaks about connection with God as part of total health alignment, and has dedicated his work to helping people achieve the highest quality of life.