Gamma Sports iO Tennis String Reel

Feel and durability in the same reel.

Engineered to perform when the match tightens.

Shot Control: The string bed holds tension through long rallies and high-intensity exchanges. When pressure builds, the response stays predictable.

Tension Retention: The string maintains playability longer than standard options. Less restringing means more time competing.

Natural Spin Generation: The string surface enhances spin without forcing technique changes. Your swing stays yours, but the ball moves more.

Who It Is For: For players who treat string selection as part of their game plan, not an afterthought at the counter.

Proven in Play: Gamma strings are trusted in pro shops and on tournament courts worldwide. Validated through competition, not marketing.

String smart. Play sharper.