The Tenacity is the third signature model for Junsang Park—one of the most composed and commanding competitors on the world stage. Known for his masterful control, precise execution, and unwavering presence, Junsang brings that same confidence and consistency to every throw. His signature yo-yo had to do the same.
Developed through three meticulous prototypes, the Tenacity was designed with one goal: absolute control. UNPRLD carefully refined the weight distribution to maximize stability without sacrificing agility—resulting in a yo-yo that feels both secure and empowering in high-pressure situations.
Whether you’re throwing full-horizontal combos at a sharp 90°, navigating risky body tricks, or performing on stage with everything on the line, the Tenacity stays grounded. It offers a performance feel that is steady and supportive, never limiting. It’s the kind of yo-yo you trust when it matters most.
Its name is no accident—Tenacity reflects Junsang’s mindset. Through every challenge and on every stage, he remains focused, disciplined, and relentless. Whether you’re battling doubt, chasing consistency, or aiming for your personal best, Tenacity is built to stay right there with you.
Used by Junsang at Korean Nationals and chosen again for his upcoming performance at the World Yo-Yo Contest, Tenacity is ready for anything—and proves why Junsang is one of the most respected players in modern yo-yoing.