The Science of Personal Comfort

The Story behind Posedla: From saddle sores to custom comfort

In this first episode of Posedla Academy, co-founder Jiří Dužár shares the personal journey that led to the creation of the world’s first fully custom 3D printed cycling saddle. From a passion for cycling to a relentless pursuit of comfort, this is the origin story of a startup born from sore rides and bold ideas.

What you’ll learn in this episode:

• Jiří’s personal cycling story: From childhood rides to racing in New York and back to the Czech Republic.
• How Posedla was born: Turning pain and frustration into a product idea.
• Why custom saddles matter: And why one-size-fits-all just doesn’t work.
• How the Posedla saddle (Joyseat) is made: From sit bone imprint to 3D-printed perfection.
• Why we manufacture in the Czech Republic: And the power of local production.
• The science and data behind every saddle: Combining tech, biomechanics, and design.
• What’s next for Posedla: The future of customization and what we’re building next.
  

This episode will give you a deeper look into how we craft our custom saddles.

No pressure, just joy! 🍑

Jiří Dužár is one of the two co-founders of Posedla and the driving force behind its vision to reinvent the cycling experience through technology, personalization, and design. With a degree in geoinformatics, background in media and a passion for storytelling, he brings a unique perspective to the cycling world - one that blends creativity with engineering. Jirka’s journey took him from Prague to New York and back, where he turned an ambitious idea into world’s first platform for custom 3D-printed bike saddles. At Posedla, he leads brand, marketing, and strategy, while never losing touch with the product development and rider’s perspective. He believes great products start with empathy, end with innovation, and should make every ride a joyride. In this lesson, he shares not only the business story behind the brand, but also the personal journey behind the saddle.