Tecnifibre Tennis String X-One Biphase - Red - 1.18 - Multifilament

X-One Biphase is Tecnifibre’s highest-performing multifilament string, excelling in playability, durability, and tension integrity. A built-in wear indicator highlights significant fraying at the ball’s impact point, allowing players to replace the string before it breaks completely.

Tecnifibre, the world leader in multifilament technology, manufactures this string in France using premium materials that deliver exceptional power, outstanding comfort, and long-lasting performance. Thanks to advanced fibres and the exclusive Biphase pre-stretch process, this string offers a natural-gut-like feel, improved spin, and extended lifespan—without the fragility of natural gut.

A global best seller, X-One Biphase is ideal for players seeking top-tier comfort, controlled power, and high-quality response.

Key Features

• Wear indicator for timely restringing
• Exceptional comfort, power, and consistency
• Not recommended for heavy string breakers
• Made in France
• Natural-gut-like performance without drawbacks

Specifications

• Type of String: Multifilament
• String Range: X-ONE BIPHASE
• Packaging: Set 12m
• Color: Red
• Gauge: 1.18